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| 12SN7-GT Pinout |
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| 12SN7-GT Substitutes |
| Close or identical |
12SN7, CV925 |
| Different rating or performance |
12SN7GTA |
| Different filament voltage |
13D2, 6SN7, 6SN7GT, 6SN7GTA, 6SN7GTB, 6SN7WGT, 6SN7WGTA, 8SN7GTB, CV1986, CV1988, CV3627, VT231 |
Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. |
| 12SN7-GT Ratings |
Vh
V |
Ih
A |
VaMax
V |
PaMax
W |
Cgk
pF |
Cak
pF |
Cga
pF |
Notes |
| 12.6 |
0.3 |
300 |
3.5 |
2.8 |
0.8 |
3.8 |
First tube |
| 12.6 |
0.3 |
300 |
3.5 |
3.0 |
1.2 |
4.0 |
Second tube |
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| 12SN7-GT Application Data |
| Class |
Va
V |
Vg1
V |
Ia
mA |
Ra
Ω |
S
mA/V |
| A |
250 |
-8.0 |
9.0 |
7,700 |
2.6 |
| A |
90 |
0.0 |
10.0 |
6,700 |
3.0 |
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| 12SN7-GT Data sheet links |
| Dave Cigna''s Pages (DuncanAmps mirror) |
6SN7GT: html |
| Peter Millett |
12SN7-GTA: Acrobat PDF 23K 6SN7-GTA: Acrobat PDF 282K 6SN7-GTB: Acrobat PDF 14K |
| The Valve Museum |
6SN7GT: html, html2, html3, html4 |
| oldradio.qrz.ru |
12SN7: MK buizen handboek |
| Frank Philipse (Wildcat mirror - Jörg Jan Münter) |
12SN7GT: 12SK7.pdf (57775 bytes), 12SN7GT.pdf (210909 bytes), 6SN7GT.pdf (407316 bytes) 12SN7GTA: 12JN8.pdf (76733 bytes), 12SA7.pdf (56736 bytes), 12SN7GTA.pdf (268809 bytes), 6SN7GTA.pdf (397641 bytes), 6SN7GTB.pdf (333220 bytes), 6SN7GTB.pdf (479306 bytes) 13D2: 13D1.pdf (106276 bytes) 6SN7: 6SN7.pdf (66065 bytes) (de) 6SN7GT: 6SN7GT.pdf (104549 bytes), 6SN7GT.pdf (133934 bytes) 6SN7GTA: 6SN7GTA.pdf (221413 bytes), 6SN7GTA.pdf (294351 bytes) 6SN7GTB: 6SN7GTB.pdf (16518 bytes), 6SN7GTB.pdf (262500 bytes) 6SN7WGT: 6SN7WGT.pdf (468712 bytes) 6SN7WGTA: 6SN7WGTA.pdf (301961 bytes), 6SN7WGTA.pdf (309503 bytes) |
| TubeZone |
6SN7GT: pdf |
| Wikipedia |
6SN7: Wikipedia page |
Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Please see the substitutes at the top of the page for more details |
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