Blackheart Handsome Devil 15 schematic

[skipm45]

Anyone have the schematic for a HD-15?


Skip
www.skipzcircuits.com

 

[donnyjaguar]

No. But if its a 15Watt tube amp it should be pretty easy to map out.

 

[skipm45]

Donnyjaguar,
Thanks for the reply.
I don't have the amp. trying to determine if it's cathode or fixed bias.


Skip
www.skipzcircuits.com

 

[champster]

You can try blackhearttalk.com.

 

[skipm45]

Thanks Champster!




Skip
www.skipzcircuits.com

 

[donnyjaguar]

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.

 

[macula56]

it is cathode bias.

 

[elmoregibbons]

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...

 

[elmoregibbons]

http://img28.imageshack.us/img28/6021/bh15schematiccorrected.png

 

[donnyjaguar]

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.