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Blackheart Handsome Devil 15 schematic

donnyjaguar

Member
Messages
4,194
Understood. If its cathode biased you can modify to fixed bias for more power. If its fixed biased you can easily modify for cathode bias. :)
 

elmoregibbons

Member
Messages
31
I have it, got it here last year.
I'll send it to you.

Great little amp.

P.S.

Oops, just noticed a reply that it is cathode.
There's a png of the schematic...
 
Last edited:

donnyjaguar

Member
Messages
4,194
It looks like a copy of the Matchless amplifier. Jumper the cathodes of the output tubes together and replace R15 with 82K for more power.
 




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