We're working on a Fisher integrated amp using 7591s. The customer claims that the piece has never been worked on, and it looks like that's true. I was surprised to find silver mica coupling caps in the power amp section and a few carbon film resistors in the phono section. I don't remember seeing that quality of parts in Fisher tubed receivers.
Did Fisher put a little better parts in their integrateds than in their receivers, or has someone lightly modified this one?
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Topic - Fisher Tubed Integrated - Lee of Omaha 11:26:25 12/07/17 (0)