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Precision Fidelity C7/A: To modify or leave as is?

Hello:

We recently invested in a Precision Fidelity C7/A and I was thinking of upgrading some of the OEM capacitors. The original designer -- Bruce Moore -- apparently built the preamp. to sound as good as could be in stock configuration without having to modify anything, i.e. evincing the philosophy that an intelligent design should be simple and sound excellent as is.

Has anyone upgraded their Precision Fidelity with caps. such as V-Cap teflons or Auricaps and come away with dramatic differences in sonics, either for the better or worse?

Thank you.
somut

Showing 1 response by gsakakeeny

gsakakeeny
1 posts
 
Just for the record, the original C7 was designed by me when Precision Fidelity had just moved to Santa Rosa, CA in 1977. The company was sold to The Hill Group, a holding company in San Diego in 1978. They eventually sold the designs to Bruce Moore who ran the technical end after that. I went to National Controls to design A/D convertors and exited the audio scene.

I'm delighted that the C7 and the M80 stereo power amp have become such beloved instruments. As an technically inclined artist, it is satisfying to know that my creations have provided so much pleasure for so long.
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