inner fidelity Those wishing to get headphones measured should send all inquiries by email to: Tyll Hertsens InnerFidelity, Editor-in-Chief tyll@innerfidelity. com Copyright © SOURCE INTERLINK MEDIA All rights reserved. Headphone Measurement Datasheets All Headphones April 2013
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-
inner fidelity
Those wishing to get headphones measured
should send all inquiries by email to:
Tyll Hertsens
InnerFidelity, Editor-in-Chief
tyll@innerfidelity. com
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Headphone Measurement Datasheets
All HeadphonesApril 2013
-
inner fidelity
http://www.innerfidelity.com
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Headphone Measurement Datasheets
Full-Size Open
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.320 VrmsImpedance @ 1kHz: 65 OhmsPower Needed for 90d BSPL 1.57 mWBroadband Isolation in dB (100Hz to 10kHz): -4 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
AKG K701
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
20
40
60
80
100
120
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.283 VrmsImpedance @ 1kHz: 67 OhmsPower Needed for 90d BSPL 1.20 mWBroadband Isolation in dB (100Hz to 10kHz): -4 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
AKG K701 Sample B
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
20
40
60
80
100
120
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.318 VrmsImpedance @ 1kHz: 60 OhmsPower Needed for 90d BSPL 1.68 mWBroadband Isolation in dB (100Hz to 10kHz): -5 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
AKGQ701001
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-70-65-60-55-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Measured Data
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
20
40
60
80
100
120
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.209 VrmsImpedance @ 1kHz: 59 OhmsPower Needed for 90d BSPL 0.75 mWBroadband Isolation in dB (100Hz to 10kHz): -1 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audeze LCD-2 sn53211704
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
70
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.106 VrmsImpedance @ 1kHz: 47 OhmsPower Needed for 90d BSPL 0.24 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audeze LCD-2
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.000 0.000 0.001 0.001 0.001 0.001 0.002 0.002 0.002 0.003 0.003
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.165 VrmsImpedance @ 1kHz: 49 OhmsPower Needed for 90d BSPL 0.55 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audeze LCD-2 SN 5312123
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.225 VrmsImpedance @ 1kHz: 58 OhmsPower Needed for 90d BSPL 0.87 mWBroadband Isolation in dB (100Hz to 10kHz): -1 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audeze LCD-2 Rev 2
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
70
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.196 VrmsImpedance @ 1kHz: 58 OhmsPower Needed for 90d BSPL 0.66 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audeze LCD-3 Rev 2 sn2613375
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
70
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.160 VrmsImpedance @ 1kHz: 44 OhmsPower Needed for 90d BSPL 0.58 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audeze LCD-3 sn 2312488
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
5
10
15
2025
30
35
40
45
50
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.198 VrmsImpedance @ 1kHz: 45 OhmsPower Needed for 90d BSPL 0.88 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audeze LCD-3 sn 2312341
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
5
10
15
2025
30
35
40
45
50
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.157 VrmsImpedance @ 1kHz: 47 OhmsPower Needed for 90d BSPL 0.53 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audez'e LCD-3 #2312454
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.244 VrmsImpedance @ 1kHz: 49 OhmsPower Needed for 90d BSPL 1.21 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audeze LCD-3 sn 2312260
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.062 VrmsImpedance @ 1kHz: 35 OhmsPower Needed for 90d BSPL 0.11 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audio Technica ADH-AD900
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
5
10
15
20
25
30
35
40
45
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.055 VrmsImpedance @ 1kHz: 34 OhmsPower Needed for 90d BSPL 0.09 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audio Technica ATH-AD700
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
5
10
15
20
25
30
35
40
45
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.045 VrmsImpedance @ 1kHz: 67 OhmsPower Needed for 90d BSPL 0.03 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Audio Technica ATH--AD500
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
20
40
60
80
100
120
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.346 VrmsImpedance @ 1kHz: 665 OhmsPower Needed for 90d BSPL 0.18 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Beyerdynamic T1
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.000 0.000 0.001 0.001 0.001 0.001 0.002 0.002 0.002 0.003 0.003
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
200
400
600
800
1000
1200
1400
1600
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.436 VrmsImpedance @ 1kHz: 683 OhmsPower Needed for 90d BSPL 0.28 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Beyerdynamic T1 SN3964
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
200
400
600
800
1000
1200
1400
1600
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.299 VrmsImpedance @ 1kHz: 236 OhmsPower Needed for 90d BSPL 0.38 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Beyerdynamic DT 880 250 ohm
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.000 0.000 0.001 0.001 0.001 0.001 0.002 0.002 0.002 0.003 0.003
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
50
100
150
200
250
300
350
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.125 VrmsImpedance @ 1kHz: 33 OhmsPower Needed for 90d BSPL 0.47 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Beyerdynamic DT 880 32 ohm
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.000 0.000 0.001 0.001 0.001 0.001 0.002 0.002 0.002 0.003 0.003
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
5
10
15
20
25
30
35
40
45
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.514 VrmsImpedance @ 1kHz: 619 OhmsPower Needed for 90d BSPL 0.43 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Beyerdynamidc DT 880 600 ohm
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.000 0.000 0.001 0.001 0.001 0.001 0.002 0.002 0.002 0.003 0.003
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
100
200
300
400
500
600
700
800
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.088 VrmsImpedance @ 1kHz: 57 OhmsPower Needed for 90d BSPL 0.14 mWBroadband Isolation in dB (100Hz to 10kHz): -9 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Fostex T50RP 2011 A
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
70
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.116 VrmsImpedance @ 1kHz: 47 OhmsPower Needed for 90d BSPL 0.29 mWBroadband Isolation in dB (100Hz to 10kHz): -9 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Fostex T50RP 2011 B
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.262 VrmsImpedance @ 1kHz: 58 OhmsPower Needed for 90d BSPL 1.19 mWBroadband Isolation in dB (100Hz to 10kHz): -4 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
HiFiMAN HE-300
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
4050
60
70
80
90
100
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.189 VrmsImpedance @ 1kHz: 57 OhmsPower Needed for 90d BSPL 0.63 mWBroadband Isolation in dB (100Hz to 10kHz): -4 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
HiFiMAN HE-300 Rev 2
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
4050
60
70
80
90
100
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.380 VrmsImpedance @ 1kHz: 31 OhmsPower Needed for 90d BSPL 4.65 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
HiFiMAN HE-5
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
5
10
15
20
25
30
35
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.310 VrmsImpedance @ 1kHz: 47 OhmsPower Needed for 90d BSPL 2.04 mWBroadband Isolation in dB (100Hz to 10kHz): -1 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
HiFiMAN HE-500
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.439 VrmsImpedance @ 1kHz: 41 OhmsPower Needed for 90d BSPL 4.73 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
HiFiMAN HE-5LE
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
5
10
15
20
25
30
35
40
45
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 1.018 VrmsImpedance @ 1kHz: 53 OhmsPower Needed for 90d BSPL 19.69 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
HiFiMAN HE-6
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.000 0.000 0.001 0.001 0.001 0.001 0.002 0.002 0.002 0.003 0.003
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Electrical Impedance and phase measurements unavailable for Electrostatic headphones.
Broadband Isolation in dB (100Hz to 10kHz): -1 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Koss ESP950
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.181 VrmsImpedance @ 1kHz: 37 OhmsPower Needed for 90d BSPL 0.89 mWBroadband Isolation in dB (100Hz to 10kHz): -4 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Philips Fidelio X1
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
5
10
15
2025
30
35
40
45
50
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.139 VrmsImpedance @ 1kHz: 28 OhmsPower Needed for 90d BSPL 0.69 mWBroadband Isolation in dB (100Hz to 10kHz): -9 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Philips Fidelio L1
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
5
10
15
20
25
30
35
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.082 VrmsImpedance @ 1kHz: 35 OhmsPower Needed for 90d BSPL 0.19 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Philips SBC HP910
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.010 VrmsImpedance @ 1kHz: 49 OhmsPower Needed for 90d BSPL 0.00 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Pioneer SE-A1000
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
10
20
30
40
50
60
70
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.257 VrmsImpedance @ 1kHz: 310 OhmsPower Needed for 90d BSPL 0.21 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Sennheiser HD 560 Ovation II
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
100
200
300
400
500
600
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.156 VrmsImpedance @ 1kHz: 179 OhmsPower Needed for 90d BSPL 0.14 mWBroadband Isolation in dB (100Hz to 10kHz): -1 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Sennheiser HD 575
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
50
100
150
200250
300
350
400
450
500
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.173 VrmsImpedance @ 1kHz: 330 OhmsPower Needed for 90d BSPL 0.09 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Sennheiser HD 580 (HD600 headband)
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
100
200
300
400
500
600
700
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.055 VrmsImpedance @ 1kHz: 55 OhmsPower Needed for 90d BSPL 0.05 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Sennheiser HD 595
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
50
100
150
200
250
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.090 VrmsImpedance @ 1kHz: 61 OhmsPower Needed for 90d BSPL 0.13 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Sennheiser HD 598
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
50
100
150
200
250
300
350
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.230 VrmsImpedance @ 1kHz: 307 OhmsPower Needed for 90d BSPL 0.17 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Sennheiser HD 600
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
100
200
300
400
500
600
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.205 VrmsImpedance @ 1kHz: 320 OhmsPower Needed for 90d BSPL 0.13 mWBroadband Isolation in dB (100Hz to 10kHz): -2 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Sennheiser HD 650
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
100
200
300
400
500
600
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.153 VrmsImpedance @ 1kHz: 167 OhmsPower Needed for 90d BSPL 0.14 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Sennheiser HD 700
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
50
100
150
200
250
300
350
400
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.242 VrmsImpedance @ 1kHz: 361 OhmsPower Needed for 90d BSPL 0.16 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Sennheiser HD 800
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
Electrical Impedance and PhaseMeasured with 600 Ohm output impedance.
0
100
200
300
400
500
600
700
10 100 1000 10000 100000
Frequency
Imp
edan
ce in
Oh
ms
-60
-40
-20
0
20
40
60
Ph
ase
in D
egre
es
Impedance Phase
-
Headphone Measurements:
Electrical Impedance and phase measurements unavailable for Electrostatic headphones.
Broadband Isolation in dB (100Hz to 10kHz): -1 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Sennhheiser HE-60
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Time in Seconds
Vo
lts
Right Left
Impulse Response
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
IsolationAttenuation of External Sound vs. Frequency
-50-45-40-35-30-25-20-15-10
-505
10
10 100 1000 10000 100000
Frequency
Red
uct
ion
in d
B
Frequency ResponseTop - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
-50-45-40-35-30-25-20-15-10
-505
101520
10 100 1000 10000 100000
Frequency
Am
plit
ud
e (d
B)
-
Headphone Measurements:
Volts RMS required to reach 90dB SPL: 0.160 VrmsImpedance @ 1kHz: 65 OhmsPower Needed for 90d BSPL 0.39 mWBroadband Isolation in dB (100Hz to 10kHz): -3 dBr
Copyright SOURCE INTERLINK MEDIA All rights reserved.
Shure SRH1840
%THD+noise @ 90dB and 100dB
0.01
0.1
1
10
100
10 100 1000 10000 100000Frequency
%TH
D+n
oise
Left 90dB Right 90dB Left 100dB Right 100dB
30 Hz Square Wave
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Vol
ts
Right Left
300 Hz Square Wave
-0.04
-0.03
-0.02
-0.01
0
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