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HBC91 Pinout
basing pinout

 
HBC91 Substitutes
Close or identical 12AV6

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.

 
HBC91 Ratings

No information available
HBC91 Application Data

No information available
HBC91 Data sheet links
Peter Millett 12AV6: Acrobat PDF 20K
The Valve Museum 12AV6: html
oldradio.qrz.ru HBC91: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 12AV6: 12AV5GA.pdf (24031 bytes), 12AV6.pdf (261379 bytes), 12AV6.pdf (32290 bytes) (fr), 12AV6.pdf (96362 bytes), 6AU8A.pdf (207747 bytes), 6AV6.pdf (484527 bytes)  HBC91: HBC91.pdf (87622 bytes) (de)

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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