I just bought a A 500 amp circa 1984 model off Ebay. Owned one of these for nearly 8 years from 84 to 92. Nice clean sounding amp.
I was wondering if there are any modifications that can be done to this amp that might improve the soundstage and perhaps also the imaging of the instruments? I don't want to change the sonic character of the amp which is pretty neutral.
Has anyone done any modifications to this amp or another Yamaha and noted some real improvements to the sound?
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