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6SQ7-GT Pinout
basing pinout

 

6SQ7-GT Substitutes
Different filament voltage 12SQ7, 12SQ7GT, 6SQ7, CV1990, CV1991, CV546, CV547, VT103, VT104

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.

 

6SQ7-GT Ratings
Vh Ih VaMax PaMax Cgk Cak Cga
6.3 0.3 300 0.5 3.2 3.0 1.6

 

6SQ7-GT 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

 

6SQ7-GT Data sheet links
Peter Millett 12SQ7: Acrobat PDF 24K  6SQ7: Acrobat PDF 223K
National Valve Museum VT104: html
oldradio.qrz.ru 6SQ7: Brans Vademecum, MK buizen handboek
Frank Philipse 12SQ7: 121/1/12A8G.pdf  6SQ7: .gif file, 082/6/6SQ7.pdf
Frank Philipse (Pocnet mirror - Patrik Schindler) 6SQ7GT: 6SQ7.pdf (202861 bytes), 6SQ7.pdf (245274 bytes)  12SQ7: 12A8G.pdf (82544 bytes) (fr), 12SA7.pdf (56736 bytes), 12SQ7.pdf (231119 bytes)  12SQ7GT: 12SK7.pdf (57775 bytes)  6SQ7: 6SA7.pdf (83250 bytes) (fr), 6SQ7.pdf (321892 bytes), 6SQ7.pdf (78329 bytes) (de), 6SQ7.pdf (96813 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 6SQ7GT: 6SQ7.pdf (202861 bytes), 6SQ7.pdf (245274 bytes)  12SQ7: 12A8G.pdf (82544 bytes) (fr), 12SA7.pdf (56736 bytes), 12SQ7.pdf (231119 bytes)  12SQ7GT: 12SK7.pdf (57775 bytes)  6SQ7: 6SA7.pdf (83250 bytes) (fr), 6SQ7.pdf (321892 bytes), 6SQ7.pdf (78329 bytes) (de), 6SQ7.pdf (96813 bytes)

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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