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12SN7 Pinout
basing pinout

 

12SN7 Substitutes
Close or identical 12SN7GT, CV925

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 Ratings
Vh Ih VaMax PaMax Cgk Cak Cga 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

 

12SN7 Application Data
Class Va Vg1 Ia Ra S
A 250 -8.0 9.0 7,700 2.6
A 90 0.0 10.0 6,700 3.0

 

12SN7 Data sheet links
Automatica 6SN7GT: html
Dave Cigna''s Pages (DuncanAmps mirror) 6SN7GT: html
Peter Millett 6SN7-GTA: Acrobat PDF 282K  6SN7-GTB: Acrobat PDF 14K
oldradio.qrz.ru 12SN7: MK buizen handboek
Frank Philipse 12SN7: .gif file  12SN7GT: 137/6/6SN7GT.pdf  6SN7GTA: 137/6/6SN7GTA.pdf  6SN7GTB: Acrobat PDF  6SN7WGT: 138/6/6SN7WGT.pdf  6SN7WGTA: 087/6/6SN7WGTA.pdf
Triode Electronics 6SN7GT: gif1, gif2, gif3, gif4, gif5

 

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