In Reply to: RE: cloning the Fisher posted by burwoodc on January 24, 2015 at 15:23:38:
Yes, I know Dave and he is a super tech.My favorite Fishers use a 12AX7 phase splitter that is engineering wise not near the equal of a 6CG7. The 'flawed' 12AX7 in this application may make some of that Fisher sound. Your audio transformers per Dave match up well. The later (est 41000 s/n) Fisher 400 use high impedance plate to plate audio transformers too.
Either way, you will have a fine sounding amplifier. I like Vitamin Q and K40Y-9 coupling capacitors. Even more than pedigree Mundorf Silver/Oil capacitors.
Edits: 01/24/15
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Follow Ups
- RE: cloning the Fisher - sony6060 16:18:57 01/24/15 (0)