TDSL Tube data [6SQ7-GT]

Menu

Information

6SQ7-GT 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 V	Ih A	VaMax V	PaMax W	Cgk pF	Cak pF	Cga pF
6.3	0.3	300	0.5	3.2	3.0	1.6

6SQ7-GT Application Data

Class	Va V	Vg1 V	Ia mA	Ra Ω	S mA/V
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
The Valve Museum	VT104: html
oldradio.qrz.ru	12SQ7: MK buizen handboek 6SQ7: Brans Vademecum
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), 6SQ7.pdf (321892 bytes) 12SQ7GT: 12SK7.pdf (57775 bytes), 12SQ7.pdf (231119 bytes) 6SQ7: 6SA7.pdf (83250 bytes) (fr), 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

TDSL is advert free and is funded by voluntary donations. If you find the site useful, please consider making a small voluntary donation, thank you

Version: PHP release 1.16 22-Jan-2025