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Hi, Just posting a follow up to this. Looks like I have got this amp up and running again now thanks to the posts on here.

I replaced the caps C30 through C36 and that seems to have worked. I get 1.5:1 on the input now (which is consistent with the known good unit). And 105W on the output, which is a little lower than the known good unit, but probably just needs tweaking a bit now to make it happy.

There is a pot on the input to the amplifier stage which affects the input impedance. And also a pot on the output of the amplifier stage. I'm guessing it's this one I need to tweak a little for best power output.

[QUOTE="TheWookie, post: 761563, member: 60609"] Hi, Just posting a follow up to this. Looks like I have got this amp up and running again now thanks to the posts on here. I replaced the caps C30 through C36 and that seems to have worked. I get 1.5:1 on the input now (which is consistent with the known good unit). And 105W on the output, which is a little lower than the known good unit, but probably just needs tweaking a bit now to make it happy. There is a pot on the input to the amplifier stage which affects the input impedance. And also a pot on the output of the amplifier stage. I'm guessing it's this one I need to tweak a little for best power output. [/QUOTE]

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