There's one of these local for 35.00 with no output. The guy say's it's the output board. He said he's changed them before on it but doesn't want to be bothered with it again. I've read that these Mosfet boards are pretty much impossible to work on and they used to change them out for bipolar boards that probably are no longer available. Also that these older amps go up in flames. He say's it powers up with lights and fan but no output. Also said it didn't smoke when it quit. I doubt it's as simple as a fuse. Should I pass on this?
Hi, to get a schematic is allmost an impossible task. It took me 2 years to get it from Hartke. And the final result: It is still laying around; not repaired.
They are indeed hard to repair.
Schematic is either 2 Meg or 10 Meg in size.
First is one page; second are 8 pages...
If it can help; let me know.
Cheers,
They are indeed hard to repair.
Schematic is either 2 Meg or 10 Meg in size.
First is one page; second are 8 pages...
If it can help; let me know.
Cheers,
thanks for the reply. I decided to pass on it even though I found the mosfet schematic on line. The mosfets cost way too much and way too touchy. There's way too many newer type amps out there that have better designs. Even Larry Hartke replied to another forum and said it's not worth bothering with. That's good enough for me. I'd ebay yours as a project amp.
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