Date 2003/3/9 X 50 V/DIV Y 1 mA/DIV Eg1 0.75 Vstep Eh 12.6 V Ih 150.2 mA 1-2-3pin Date 2003/3/9 X 50 V/DIV Y 1 mA/DIV Eg1 0.75 Vstep Eh 12.6 V Ih 150.2 mA 6-7-8pin Date 2003/3/9 X 50 V/DIV Y 1 mA/DIV Eg1 0.75 Vstep Eh 12.6 V Ih 152.8 mA 1-2-3pin 12AT7 RAYTHEON No.1 1-2-3pin 12AT7 RAYTHEON No.1 6-7-8pin 12AT7 RAYTHEON No.2 1-2-3pin
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Date 2003/3/9
X 50 V/DIVY 1 mA/DIV
Eg1 0.75 VstepEh 12.6 VIh 150.2 mA
1-2-3pin
Date 2003/3/9
X 50 V/DIVY 1 mA/DIV
Eg1 0.75 VstepEh 12.6 VIh 150.2 mA
6-7-8pin
Date 2003/3/9
X 50 V/DIVY 1 mA/DIV
Eg1 0.75 VstepEh 12.6 VIh 152.8 mA
1-2-3pin
12AT7 RAYTHEON No.1 1-2-3pin
12AT7 RAYTHEON No.1 6-7-8pin
12AT7 RAYTHEON No.2 1-2-3pin
Date 2003/3/9
X 50 V/DIVY 1 mA/DIV
Eg1 0.75 VstepEh 12.6 VIh 152.8 mA
6-7-8pin
Date 2003/3/9
X 50 V/DIVY 1 mA/DIV
Eg1 0.75 VstepEh 12.6 VIh 150 mA
1-2-3pin
Date 2003/3/9
X 50 V/DIVY 1 mA/DIV
Eg1 0.75 VstepEh 12.6 VIh 150 mA
6-7-8pin
12AT7 RAYTHEON No.2 6-7-8pin
12AT7 RAYTHEON No.3 1-2-3pin
12AT7 RAYTHEON No.3 6-7-8pin
Date 2003/3/9
X 50 V/DIVY 1 mA/DIV
Eg1 0.75 VstepEh 12.6 VIh 157 mA
1-2-3pin
Date 2003/3/9
X 50 V/DIVY 1 mA/DIV
Eg1 0.75 VstepEh 12.6 VIh 157 mA
6-7-8pin
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 147 mA
1-2-3pin
Rudy氏所蔵品
12AT7 RAYTHEON No.3 1-2-3pin
12AT7 RAYTHEON No.4 6-7-8pin
ECC81 TELEFUNKEN◇ No.1
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 147 mA
6-7-8pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 152 mA
1-2-3pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 152 mA
6-7-8pin
Rudy氏所蔵品
ECC81 TELEFUNKEN◇ No.1
ECC81 TELEFUNKEN◇ No.2
ECC81 TELEFUNKEN◇ No.2
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 155 mA
1-2-3pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 155 mA
6-7-8pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 158 mA
1-2-3pin
Rudy氏所蔵品
ECC81 TELEFUNKEN◇ No.3
ECC81 TELEFUNKEN◇ No.3
ECC81 TELEFUNKEN No.4
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 158 mA
6-7-8pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 153 mA
1-2-3pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 153 mA
6-7-8pin
Rudy氏所蔵品
ECC81 TELEFUNKEN No.4
ECC81 Mullard No.5
ECC81 Mullard No.5
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 152 mA
1-2-3pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 152 mA
6-7-8pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 151 mA
1-2-3pin
Rudy氏所蔵品
ECC81 Mullard No.6
ECC81 Mullard No.6
ECC81 Mullard No.7
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 152 mA
6-7-8pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 147 mA
1-2-3pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 147 mA
6-7-8pin
Rudy氏所蔵品
ECC81 Mullard No.7
ECC81 Mullard No.8
ECC81 Mullard No.8
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 147 mA
1-2-3pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 147 mA
6-7-8pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 148 mA
1-2-3pin
Rudy氏所蔵品
ECC81 PHILIPS No.9
ECC81 PHILIPS No.9
ECC81 PHILIPS No.10
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 148 mA
6-7-8pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 152 mA
1-2-3pin
Rudy氏所蔵品
Date 2002/9/16
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 152 mA
6-7-8pin
Rudy氏所蔵品
ECC81 PHILIPS No.10
ECC81 PHILIPS No.11
ECC81 PHILIPS No.11
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.54 VIh 150 mA
1-2-3pin
◇マーク
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.61 VIh 148 mA
6-7-8pin
◇マーク
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 152 mA
1-2-3pin
12AT7/ECC81 TELEFUNKEN No.7
12AT7/ECC81 TELEFUNKEN No.7
12AT7 松下 No.8
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.6 VIh 152 mA
6-7-8pin
12AT7 松下 No.8
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.61 VIh 156 mA
6-7-8pin
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.61 VIh 148 mA
1-2-3pin
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.61 VIh 148 mA
6-7-8pin
12AT7WA GE No.5
12AT7WA RCA No.6
12AT7WA RCA No.6
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.61 VIh 148 mA
1-2-3pin
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.61 VIh 148 mA
6-7-8pin
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.57 VIh 145 mA
1-2-3pin
12AT7WC JAN GE No.1
12AT7WC JAN GE No.1
12AT7WC JAN GE No.2
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.57 VIh 145 mA
6-7-8pin
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.63 VIh 154 mA
1-2-3pin
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.63 VIh 154 mA
6-7-8pin
12AT7WC JAN No.3
12AT7WC JAN No.3
12AT7WC JAN GE No.2
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.62 VIh 156 mA
1-2-3pin
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.62 VIh 156 mA
6-7-8pin
Date 2005/11/19
X 50 V/DIVY 2 mA/DIV
Eg1 1 VstepEh 12.61 VIh 156 mA
1-2-3pin
12AT7WA GE No.5
12AT7WC JAN No.4
12AT7WC JAN No.4
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