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In Reply to: RE: JBL Urei 6260 posted by Supercool! on March 09, 2017 at 10:52:58
soft recovery Schottky diodes, AND up the capacitance in the PSU to about twice the OEM uf total. And, bypass the last two PSU caps with MF PP* caps.
Then listen, then replace the negative-feed-back-loop caps and Rs with commercial quality teflon caps and Holco or laser trimmed Rs. Possibly do this before recapping an re-R-ing the audio stages.
Re-listen. and then budget for replacing, any and all electrolytic signal caps with commercial quality *metallised-film poly-propylene caps. Replace all the signal Rs with decent metal-film Rs.
I doubt that these last changes will be audibly the most significant.
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
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