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HM34 Pinout
No information available


HM34 Substitutes
Different filament voltage 12CD7, 64ME, 6AF7, 6CD7, 6M1, CV394, EM34, UM34

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.


HM34 Ratings

No information available

HM34 Application Data
Va Ia
250 0.75


HM34 Data sheet links
Duncan''s Amp Pages 6AF7: Acrobat PDF
National Valve Museum CV394: html
oldradio.qrz.ru EM34: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 6CD7: 6CD7.pdf (174332 bytes)  EM34: EM34.pdf (117059 bytes) (fr), EM34.pdf (176249 bytes), EM34.pdf (33900 bytes) (fr), EM34.pdf (93312 bytes)  UM34: UM34.pdf (101431 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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