Is it possible to replace the potentiometer in the Adcom GFP-750 with a high quality attenuator from DACT or goldpoint? Are there folks who have done this and seen an improvement?
Probably easier to sell the 750 and get the "real" version of the circuit as made by Nelson himself: AlephP, which uses an optical switching of a relay-driven silver resistor ladder for gain and attenuation.
I do not see what is wrong with the attenuator. It has a 4 way Alps attenuator. Why would you like to replace it? Ok, I have the serial number 01001, the first of its kind in 240 Volt version from 97. Maybe they use some bad parts for the GFP 750 now?
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