Bedini Schematics for Class A Amp Models 802 & 803



I have a Bedini 803 with a slight hum in one channel and I have two Bedini 802's that are inoperable but obtained for parts. Both are loaded and haven't been cannibalized.

It is my desire to rebuild the 803 and 802 but I am in dire need of schematics. Would anyone have an idea as to how I might obtain them?

Any help would be much appreciated. Thanks, Mike
bighume

Showing 1 response by johnbedini

Bighume,
The 802 and 803 Amplifier uses Bus fuses ( MDL 8 amp fuse). But if that fuse has blown you may find another problem. The Amplifier does not use any form of protection circuit, so your dependent on the fuses. The bias on the amp is measured across the .47 emitter resistors and is set to 35 Ma do not exceed this measurement. if you try to set this let the amp warm up on load resistors no signal input. If you see hum then the dual differential front pair could be damaged.
John Bedini