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12SQ7 Pinout
basing pinout

 

12SQ7 Substitutes
Close or identical 12SQ7GT, CV546, CV547, VT104
Different filament voltage 6SQ7

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.

 

12SQ7 Ratings

No information available

12SQ7 Application Data
Class Va Vg1 Ia Ra S
A 250 -2.0 1.1 85,000 1.175
A 100 -1.0 0.5 110,000 0.925

 

12SQ7 Data sheet links
Peter Millett 12SQ7: Acrobat PDF 24K  6SQ7: Acrobat PDF 223K
National Valve Museum 6SQ7: html
oldradio.qrz.ru 12SQ7: MK buizen handboek  6SQ7: Brans Vademecum
Frank Philipse 12SQ7: .gif file, 093/6/6SQ7.pdf, 121/1/12A8G.pdf  6SQ7: 082/6/6SQ7.pdf, 121/6/6SA7.pdf

 

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