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CV546 Pinout
basing pinout

 
CV546 Substitutes
Close or identical 12SQ7, 12SQ7GT, CV547, VT104
Different filament voltage 6SQ7, 6SQ7GT, CV1990, CV1991, VT103

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.

 
CV546 Ratings

No information available
CV546 Application Data

No information available
CV546 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) 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 (202861 bytes), 6SQ7.pdf (245274 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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