Electrojumble.org.uk Electrojumble.org.uk SOLENT Series AUDIO OUTPUT TRANSFORMERS A new range of output transformers especially designed for contemporary amplifier circuits and (with the exception of type AS.71l0), incorporating grain oriented laminated cores enabling the highest ratio of inductance to leakage reactance to be obtained within a minimum of space. The transformers have a frequency response extending well beyond the audio frequency range and are suitable for use in reproducing units of highest quality. ULTRA LINEAR PUSH·PULL TYPES • Cut. No. AS.7009 AS.7012 AS.7034 AS.7058 AS.7059 *AS.7110 Rating Willis 7 lO·1I 50 so 100 Input Load Kilohms 9K. C.T. 8K. 7K. CT. 7K. li.liK. C.T. 6K. C.T. 8K.6.6K. C.T. 4.5K. C.T. Output Lo'd Ohms l.875 3.75 7.5 15 3.75 15 3.75 15 3.75 I' 60 3.75 I' 60 *250 Max. Pri. D.C.(per! wdg. for P.F. ')-pes) 35 70 175 200 200 300 Primary t § L. 11 H. mB 300 15 180 14 200 20 270 90 270 90 100 55 Primar,.- Screen Taps 20% 20% of 7K. 43% of 8K. 20% of 7K. 43% of 6.6K. 20% 209'0 of SK. 43% of 6.6K. 20% Size 9/5126 9/5/26 JO/S!)5 50/5/44 50/5/44 70'5/42 Weight Ibs. 5-!- I3I IH 17 Suitable Valves or Cirruits Mullard 7W Stereo- phonic Amplifier Mullard 510. Osram 912, N.709. EL.84 KT.66. EL.84. M ullard 20w. High Quality Amplifier KT.88. G.E.C. 88-.50 Amplifier. W.W. April 1957 KT.66, EL.34 KT.8fl CONVEi\ilONAL PUSH-PULL TYPES • AS.7007 AS.7008 AS.70JO AS.70tS AS.70S'll 5 7 10 16K. C.T. 2.5 7.5 15 6K. C.T. 3.75 15 to-8-4-3.4K. 3.75 C.T. 15 10-8-7-6-4-3.4K. 3.75 C.T. 15 8-6-3.4K. 3.75 C.T. 15 40 J5 40 '0 120 200 30 175 15 210 13 2')0 30 200 20 ':J/SI16 9/S{26 IOiS/32 50/5/44 2 4 7: Baxandall ine:-;pcnsille Amplificr, W.W. March 1957 Mullard 7W ACjDC Amplificr EL.34, EL.84. KT.33C EL.34, EL.84. KT.61. KT.66, KT.88, N.709 KT.66, KT.88, EL34 SINGLE-ENDED TYPES AS.7003 AS.700S J 5 5.3.5.3,2.75K. 2.75 3.75 7.5 15 7.6,5.4.5,3K. 2.75 7.5 15 60 70 16 27 27 80 9/5/26 10/5/34 2 ELIi4, KT.66. Mullard 3-3 Ampljlier. 3 wa:tt Tape Amplifier EL.84, KT.33C, KT.61, KT.66 For Drh'er Transformer and Output Choke for Mullard 15 W Transistor P.A. Amplifier, please MINIFORD page, Characteristic curves showing frequency response between 20 cycles per second and 25,000 cycles per second arc available upon request. f The first figure in this column is the primar)' inductance and the second § figure the primary/secondar)' leakage inductance, * This tran.-former is speciall)' designed for use with and has a negative feedback winding having llt% of primar}' turns. Other secondar)' loads can be provided 10 order. For dimensions see Drawing No. AI78l at hack of catalogue Terminal positions supplied on request For prices see current lists Telephone Christcflllrch /734
26
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Electrojumble.org.uk
Electrojumble.org.uk
SOLENT Series
@ar,hu~~
AUDIOOUTPUT TRANSFORMERS
A new range of output transformers especially designed for contemporary amplifier circuits and (with the exceptionof type AS.71l0), incorporating grain oriented laminated cores enabling the highest ratio of inductance to leakagereactance to be obtained within a minimum of space. The transformers have a frequency response extending wellbeyond the audio frequency range and are suitable for use in reproducing units of highest quality.
For Drh'er Transformer and Output Choke for Mullard 15 W Transistor P.A. Amplifier, please ~ee MINIFORD page,
Characteristic curves showing frequency response between 20 cycles per second and 25,000 cycles per second arcavailable upon request.
f The first figure in this column is the primar)' inductance and the second § figure the primary/secondar)' leakage inductance,* This tran.-former is speciall)' designed for use with K.T.88·.~ and has a negative feedback winding having llt% of primar}' turns.
Other secondar)' loads can be provided 10 order.
For dimensions see Drawing No. AI78l at hack of catalogueTerminal positions supplied on request
For prices see current listsTelephone Christcflllrch /734
Electrojumble.org.uk
Electrojumble.org.uk
AUDIOOUTPUT TRANSFORMERS
MINIFORDSeries
This new range of Audio Output Transformers has been designed for small amplifier units where the greatesteconomy of spa.ce and ,cost is essential. All incorporate grain oriented laminated cores giving the highest possibleperformance/weIght ratIo. The frequency response covers a narrower band than the Solent Series but. in suitablecircuits, may be relied upon to give reproduction of a good commercial standard.
Ten watt Univrrsal push-pull trans- 42/ST/5 3tformer. Maximum continuousprimary current 7OmA. each side.
Primary Impedance10000·8006-6000-4000 ohms. C.T.
Secondary Impedance0-2.5-5".5-15-30 ohms.
Thirty watt Universal push-pull 4/ST16 4ftransformer. Maximum continuousprimary currenl lOOmA. each side.
Primary Impedance8000-6000-4000 ohm_~. C.T.
Second3ry Impedance0-2.5·5-7.5-15-30 ohms.
Sixty watt Universaol push-pull transform~r Maximum continuousprimary current 25OmA. each side.
Primary Impedance6tl00-450lt-3500-2S00 ohms. C.T.
Secondary Impedance0-2.5-5-7.5-15-30 ohms.
OP.736
OP.750
OP.754
OP7J6
Similar to Somerford trans/vrmer (}'pe- 251STI7OP.735 e.xce-pting the secondary wind-ings which are wound Jor 3.6 ohms.impedance as specified i/l IVirelessWorld, August 1949 issue.
Special High Fidelity trmu/ormer for 116fSTI4single PX4 or P X25 Class Valve.
Primary Impedance3!<()() ohms.
Secondary Impedance0-2.5-5-7.5-15 ohm.I·.
Special High Fldeuty transformer for 1/6fSTf5two PX4 Class Vah·es in push-pull.
Primary Impedance6000 ohms.
Secondary Impedance0-2_5-5-7.5-15 ohms.
Special Hf(!h Fidelity tran:sformer for 41fSTi:;two P X25 Class Valves in push·pull
Primr.,-y Impedance6(}()() ohms.
Secondary Impedance0-2.5-5·7.5-15 ohms.
/I
2
2
3
*Cbaracteristic curves showing frequency response between 20 cvcles per second and 25,000 cycles per second arcavailable upon request and are included with each transformer. -
Items printed in italics are 110W obsolete and are amilable to order ollly
For dimensions see Drawing No. A1180 at back of catalogueTerminal positions supplied on request
For prices see current listsTelephone Christchurch 1734
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Electrojumble.org.uk
AUDIO TRANSFORMERS
HENGISTSeries
Cat.No.
OI'H.702
Rating
Ei~ht watt transfonner for singktriode or pentodc valve-maximumcontinuous primlfy current 55mA.
Primary Impedance0-2500-3750-55[10-8000 ohms.
Secondary Impedance0-2.5-5-7.5-15 ohms.
Size
1I6/U/4
Wgl.Ibs.
Ca[.No.
OPH.735
Raling
Special push-pull output transformerfor Wireless World Amplifier describedby D, T. N. Williamson in Aprfl/Ma)'issues, 1947.
Primar.... Impedance10,000 ohms. c.r.
Secondary ImpedanceEight separate windings each of1.7 ahms.
Size
25{Uf7
Wgt.Ibs.
•OPH.703 Tell wall transformer for single triode
Qr penlode l'ohc-maximum continuou.fprimary current lOOmA.
Primary Impedance0-2200-3200-4200·5200 ohms
Secondary Impedance0-2.5-5-7.5-/5 ohms
OPH.705 Tell watt Universal push·pull trnns-fonner. Maximum continuousprimary current 7OmA. each side.
Primar)' Impedance10000-8000·6000-4000 ohms. C.T.
Secondary Impedance0-2.5-S-7.5-J5-30 oh.ms.
421U{5 4!
42fUf5 41
OPH,736 Similar 10 Somerford transformer type 25/U/7 12JOPH.735 e:tcepting the secondar), wind-ings which are wound for 3.6 ohmsimpedance as specified in WirelessWorld, AI/gusl 1949 issfle.
OPH.750 Special Nigh Fidelity transformer for 116/V/4 21single PX4 or P X25 Class Valve.
Primary Impedance3800 ohms.
Secondary Impedance0-2,5-5-7.5-15 ahm.~.
OPH.707 Thirty watt Un{~'l!rsal push-pulluansformer. Maximum continuous primaryCf/,rent JOOmA. each s/dt!.
Primary Impedance8000·6000-4000 ohms. C.T.
Secondary Impedance0-2.5-5-7.5-15-30 ohms.
4/U16 6OPH.754 Special Nif(h Fidelity rron4ormer for
tlVO P X4 Class Vah'es in push-pull.Primary Impedance
6000 ohms.Secondary Impedance
0-2.5-5-7.5-15 ohms.
116/V/5 2)
•OPH.724 Sfxtv watt Universal push-pull transfomier_ Maximum cnminuous primarycurrent 250mA. each side.
PrImary lmoedance6000-4-500-3500-2500 ohms. c.r.
Secondary Impedance0-2.5-5-7.5-15-30 ohms.
60lUf6 10OPH.756 Special Nigh Fidelity transformer for
two PX25 Class Vahes in push-pull.Primary Impedance
6000 ohms_Secondary Impedance
0-2,5-5-7.5-15 ohms.
42/U15 3)
*Characteristic curves showing frequency response between 20 cycles per second and 25,000 cycles per second areavailable upon request and are included with each transformer.
Items printed in italics llre now obsolete and are available to order oniy
For dimensions see Drawing No. A 1110 at back of catalogueTerminal positions supplied on request
For prices see current listsTelephone Christchllrch 1734
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Electrojumble.org.uk
AVON Series @a.rdt\(~~SMOOTHING CHOKES
Cat. No.Ind.
HenrysPolarisin~Current
rnA.
Res.Ohms±lO%
Size WglIbs.
Cat. No.Ind.
Henr)"sPolarisingCuneot
rnA.
Res.Obms±10%
Size Wgt.Ibs.
116fsrJ3 H
3{
6
3[
11
21
4
4t
41 i·
II'13-}
8j
16
30
22
61
131
22
40
22
IDi I,19t Ii:
I!,
19
26{ST16
84/ST/4
42/STf4
4/ST}5
42/STf6
64/STf6
84fST/4
26/ST16
60/STj9
45/H/7
90/U/32
25!ST/8
45fHf9
4l1H/l0
60!ST/6
245/ST/8
78{Hf9
3.4
76
3.8
1.7
6.0
66
9.4
2.5
83
64
9.2
2.2
1.5
2.1
0.39 9O/UI44
0.28 45{H,18
1.3
0.59
1.4 4/ST{5
1.05 25(STj8
0.75 245/ST/9
0.6 45/H/9
0.176 90/V/44
1.8 12/ST/4
0.8 42/Sf(5
0.48 26/STj6
0.45 6O/ST/6
0.33 245/ST/8
0.076 50/V{32
0.027 30/U(16
0.018 40fU/20
4 amps.
4)-180
amp.
0-180
amp.
500
4 amps.
0-250
0-120
2.5 :Imps.
amp.
2.5 amps.
6 amps.
6 amps.
7.5 amps
6 amps.
2.5 amps.
3.5 amps.
1 amp.
2.5 amps.
0.25
0.5
0.5
0.25
0.25
0.5
0.5
0.1
o.s
0.25
0.135
'.1
'.10.1
'.1
SwingingChoke
IS-5
Sc~~~:g15·5
C.299
C.529
C.521
C.298
C.516
C,5Z4
C.531
C.536
CoS3)
C.527
C.297
C.295
C.573 0.05 5 :Imps.
C.576 0.05 7.5 amps,
C.S79 0.05 10 amp5.
C.558
C.555
C.S46
C.549
C.552
C.564 0.05 amp.
C.567 0.05 2.5 amps.
C.S70 0.05 3.5 amps.
C.293
C.294
*CD.1J14 0.00025 25 amps.
*CD.1JOI 0.00025 15 amps.
C.5.W
*CD.B55
*CD.1J44 0.09 6.25amps.
*CD.1336 0.05 10 amps.
*CD.1323 0.008 IS nmps.
91
11
21
41
H
II
11
2
31
21
31
41
21
31
31
6
2}
21
31
91
11
2
l4{
6j
131
11/ST/4
42/ST/S
42/ST/5
4/ST/5
12/S/T4
116/51'/4
42/STj4
42/ST/5
42jSTj6
26/SIj6
6O/ST{7
12/STf4
1l6rST/4
116/ST15
421ST/4
42rsr/5
4/ST/6
25/ST!9
116/SIf4
84{Sf/4
42fSTf4
421STf5
60/SIn
12/STj4
J161ST/4
116/ST/5
26/ST16
2SIS>T/8
12/ST/3
116/ST/4 Ii
42/ST/4 2t
4/ST/S 4:1:
11/ST/4 It
116/ST/4 Ii
141
6'0
675
130
62
155
110
420
318
275
260
32
275
575
15
440
190
190
47
130
74
47
800
60
246
200
100
138
1200
)350
1400
2800
2270
1800
60
4.
80
10
20
40
60
60
80
80
20
500
60
'"
10.
250
'"
250
180
10.
500
180
100
5"
120
180
Sf'O
2"
180
m
120
180
1 amp.2.5
5
20
20
2.5
50
5'
20
z.s
20
50
20
5
5
20
5
5
2.5
2.5
10
10
10
10
10
10
10"
5'
10.
10'
100
100
C.289
C.23l
C.232
C.230
C.ZZI
C,234
C.237
C.246
C.223
C.Z22
C.ZZI)
C.233
C.248
C.291
C.249
C.2S1
C.254
C.2S'
C.212
C.240
C.211
C.262
C.263
C.2S]
C.265
C.214
C.Ui8
Co2'l
C.2"
C.2S3
C.247
C.285
C.287
C.lIO
C.2'9
•
•
•*Thcse chokes are specially designed for c1lOke·input filters in heav y currenL rectifiers and for technical reasons are made in our Delta
Series. For dimensions see Drawing No. A1520.
For dimensions see Drawing No. A lJ80 at back of catalogueTerminal positions supplied on request
For prices see current listsTelephone Christch~rch 1734
Electrojumble.org.uk
Electrojumble.org.uk~-'
~.ardt,,~r~SMOOTHING CHOKES
HENGISTSeries
Cat. No.Ind.
HenrysPolarisin,gCurrent
mAo
Res.0"..±10%
Size Wgi.Ibs.
Cat. No.Ind.
HenrysPolarisingCurr~nt
mAo
Res.Ohms±10%
Size Wgi.Ibs.
0.5 500
0.25 4 amp~.
0.1 7.5 amps.
0.5 2.5 amps.
•
•
51
14\
10
18
41
25
71
41
24
3
33
71
3
51
141
24
46
II
11
31
12
26/U}6
84/Uf6
26/U.'6
42/U/6
121U}3
12/U/4
42fU/5
6O/U/9
45{U17
841Ul4
4!Ui5
41U/5
245/U/8
2451U/9
45/U/9
251Uf8
45/U19
41/UflO
42{U14
601U/6
245fU/8
78fUI9
84/Uf4
1.7
1.5
0.75
1.3
9.2
0.6
1-05
1.4
2.1
3.8
8
2.2
64
60
76
66
9.4
6.0
3.4
35
83
47
15
amp.
180
250
SOO
2.5 amps.
amp.
3.5 amps.
amp.
5 amps.
2.5 amps.
6 amp~.
4 amps.
2.5 amps
0.1
0.1
0.1
0.1
0.5
0.25
0.25
0.5
0.5 amp.
0.25 6 amps.
SwingingChoke
15-5 0-250
SwingingChoke15-5 0-120
SwingingChoke
15-5 0-180
Swinging
C;5~; I 0-180
CH.5J6
CH.533
CH.539
Clf.531
CH.549
Clf.552
CR.521
CH.546
CH.299
eH.527
CH.529
CH.287
CH558
CH.555
CH.293
en.29B
CH.291
CH.289
CH.297
CH.524
CH.294
CH.516
CH.295
5\
41
7
2,2.
31
61
21
It
2\
31
5,It
21
4l
41
4\
51
15{
2!
Jl
31
101Ii
116/U/3
116/U!4
42IU/4
42/U;5
26/U!5
42/U/4
42/U/5
41U/6
25{U/9
I161U(4
84/U/4
42{U{4
1161V,I5
4/ V/5
12/U/4
116/U/4
42/V'5
4/U/5
12/U/4
116/U/4
42/U/4
42{U/5
42/U/6
26/U/6
6O/U/7
12/U/4
116/U(4
Ill{)
318
260
190
420
2500
130
130
200
440
155
246
275
275
141
110
2800
2270
1800
1350
1400
1200
800
650
675
575
80
80
tiD
20
100
40
60
80
40
10
20
40
SOD
60
60
250
250
120
120
100
120
180
180
180
2SO
60
'00
10
20
10
10
10
5
20
10
10
20
20
5
;
20
20
5
'0
so
50
50
SO
20
100
100
100
100
100
CH.262
<'8.254
CH.213
CH.240
CH.246
CH,247
CH.263
cn.2S?
CH.249
CH.221
cn.l37
cn.lst
CH.2IO
CH.211
CH.212
CH.248
CR.222
CR.ll3
cn.223
en.l31
cn.232
CH.234
CH.230
CH.214
CH.220
CH.165
CH.268
CR.2?l
GR.277
CH.279
eH.2SI
CH.l83
cn.28S
5
2.5
2.5
2.5
2.5
2.5
500
120
180
250
SOO
1 amp.
47
138
74
62
32
18
60/0/7
12/U14
1l6tU{4
116/U/5
26!U/6
25fU}8
11
1\
21
2i
71
14j
CH.564
CH.567
CH.5711
CH.573
CH.576
CH.579
0.05 amp.
0.05 2.5 amps.
0.05 3.5 amp.~.
0.05 5 omps.
0.05 7.5 amps.
0.05 10 amps.
1.8
0.8
0.40
0.45
0.33
O.2~
12IUI4
421U/5
26{U/6
6OIUI6
"45fU/8
45!U/8
2
41
10
14}
22
Items printed in italics are flOW obsolete and are availahle to order ollly
For dimensions see Drawing No. A 1110 at hack of catalogueTermill~l positions supplied on request
For prices see curre"t listsTelephone Christchurch 1734
Electrojumble.org.uk
Electrojumble.org.uk
SOLENT SeriesSMOOTHING CHOKES
Ind. PolarisinJ: Res. Ind. PolllrisinJ': Res.Cat. No. Henrys Current Ohms Size Wgt. Cat. No. Henr)"s Current Ohms Size Wgf.
Items printed i1/ italics are 110W obsolete am! are available to order nllly
For dimensio/ls see Drmt'ing No. A / /80 at hack of catalogue For prices see cllrrent list\·Terminal positions supplied Off request Teleplwlle Christchurch /734
J*Transformers HV.320-HV.328 inclusive are provided with a rectifier heater winding only (tapped at 2 and 4 volts)joined to onc end of the E.H.T. winding; the whole secondary being insulated for the full working potential, so thata positive or a negative D.C. supply can be obtained. Transformers HV.305. HV.306 and HV.30B are pro.... ided withtwo separate heafer windings each insulated for the full working voltage of the E.HT.. winding.
I/t'ms printed in italics are /lOll' ohsolete al/d are O\'ailahle /0 order only
For dimensions see Drawing No. A 1180 at back of catalogue For prices see current listsTerminal positions supplied on request TelephoJle Christchurch 1734
*Types HV.374 to HV.387 are provided with a rectifier heater winding joined to one end of the E.H.T. winding: thewhole secondary being insulated for the full working potential so that a positive or negative D.C. supply can beobtained. The second heater winding (for C.R.T.) is insulated to withstand the peak inverse voltage which could bedeveloped by the E.H_T. winding under certain circuit conditions, and is electrostatically screened from all otherwindings.
ltems primed in iJalics are 1I0W obsolete and are available JO order only
For dimellsions see Drawing No. A 1070 aJ back of catalogueon which sizes quoJed are container dimellSions only; heightallowance should be made for E.H.T. terminal hushing.Terminal positions supplied 011 request
For prices see current listsTelephone Christchurch 1734
Items printed in italics are now ohsoletc and are availaMe Jo order only
For dimcnsions see Drawing No. 1110 at back of cataloguc For prices see current listsTerminal positions ,mpplied on request Telephone Christchurch /734
For dimensions see Drawing No. A /781 at back of catalogue For prices see cmTent listsTerminal positions supplied on request Telephone Chrisfclut.rc1l /734
Electrojumble.org.uk
Electrojumble.org.uk
T~ --
For dimensions see Drawing No. A /781 at back of catalogueTerminal positions supplied on request
For prices see currellt JistsTelephone Christchurch /734
Electrojumble.org.uk
Electrojumble.org.uk
Nole: The approxima-te D.C. rating given is for guidance only and will depend on the 1}"Pe of rectifier and circuit used;-
For dimensions see Dralving No. AJ78I at hack of catalogueTerminal positions supplied on request
For prices see current listsTelephone Christch'urch 1734
Electrojumble.org.uk
Electrojumble.org.ukSOLENT Series
MAINSBRIDGE
:rRANSFORMERS FORRECTIFIER CIRCUITS
ALL PRIMARIES 1O-0-200-220-240v. 50 cycles.
Cat.No.
Secondary Ratio!!:All current raling§ are R,M.S.
Appro):. Max. D.C.output (See note)
Si:r.e I WeightIbs.
BS.fi060
85.6066
85.6072
85.6076
85.6080
8S.6086
85.(;090
85.6090
BS.filOO
BS.6H12
85.6104
BS.6tH)
85.6116
85.6117
OS.fi11K
85.6120fonncrlyBS.6020
85.6126fomlCrly85.6026
10-0-1 0-220·250·280~·.6.3v.6.3\",6.31'.
20-0-20·380·440-5(101'.6.31'.6.]v.6.31'.
10-0-10-380410-4401' •6.31'.6.31'.6.31'.
20·0·20-320-380-4401' .6.3v.6.]1'.6.31'.6.3v.
20-0-20-500-540-580v.6.3v.6.31'.6.31'.6.3v.
1o·o·}0-300-330-360\' .6.31'.6.31'.6.31'.6.31'.
10-5·2.5-0·15.6-31-62\'.
IO-S-2.S-0-tS.l'l-31-62v.
10-5-2.5-0·15.6-31-62v .
2.5-0-15.61'.
2.5-0-2.5-15.6\',
2.5-0-2.5·15.6v.
2.5-0·15.6-31\",
2.5_0.15.6_31 v.
*3-0-5-3h.
f-0-5-3Iv.
350mA.3 ampS.3 amps.3 amps.
350mA.3 amps.3 amps.3 amps.
440mA.3 amps.3 amps.3 amps.
70lhnA.3 amps.3 amps.3 amps.3 amps.
700mA.3 amps.3 amps.3 amps.3 amps.
1.05A.3 amps.3 amps.3 amps.3 amps.
2.2 amps.
4.4 amp.i.
8.0 amps.
1.5A.
5.25 amps.
11.2 amp~.
21 amps.
1.4A.
3.2A.
5.25 amps.
11.2 amp~.
200-25OmA.
200-25OmA.
230-315mA.
400-500mA.
400·500mA.
600-75OmA.
1.25-1.55A
2.5-3.15A.
4.5_5.75A.
0.86-1.07A.
3-3.75A.
6-8A.
12-15A.
O.8-IA.
1.84-2.3A.
3-3.75A.
6-8A.
50{S!'44
70{S/52
701S/52
90/S/58
90/5/58
9O{S/58
50/5/44
901S{50
9015/58
9/5/26
40/5/40
70/5/42
90/5/50
lOfSI34
30/5/38
70/5/42
901S/50
I3j
19t
3S
38
13j
25
38
2j
8
I6j
25
4t
7t
l6j
25
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Not~.s: Tran.~fomlers marked * have regulatIOn of approximately 3%. All others do not exceed 7% regulation on therectifier windings. thus being within the rectifier manufacturers' specified limit for off load volta!!:e.The apprO:'l"irnatc D.C. rating given is for guidance only and will depend on the type of rectifier and circuit used.
For dimensions see Drawing No. A 1781 at back of catalogue For prices see current listsTerminal positions supplied all request Telephone Christchurch 1734
Electrojumble.org.uk
Electrojumble.org.uk
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SOLENT ~'lll~
@ardKe~" '
Series '" r--
ALL PRIMARIES 10-0-200-220-240v. 50 cycles.
~ ~MAINS TRANSFORMERS FOR
ELECTROSTATICALLY SCREENED WESTINGHOUSE AND S.T.C. CONT;;.-- COOLED RECTIFIERS