In Reply to: Fisher 400 receiver conversion posted by used-hifi on July 23, 2017 at 16:27:43:
And in any case your belief that it is the 7868s is most unlikley to be true.
Restore it properly, with Jim McShane's 7868s.
You WILL be surprised. Bet you.
Rebuild the PSU, replace all the capacitors and resistors and test all the tube sockets.
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
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Follow Ups
- It's an old receiver until you restore you just can't be sure it's the output tubes 7868s that are the problem - Timbo in Oz 00:49:50 07/25/17 (0)