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So I am being forced to rework the phono stage in my amp, or at least direct the repair person.
Maybe the first question would be an op amp upgrade, which may be the bit that is no longer working. The stock is an NE5532. After reading and downloading some spec sheets I am most likely going to replace it with the NE5532P.
I know this is a huge thing to ask, but any opinions on caps etc. that could be swapped out while it is on the table would be greatly appreciated.
Follow Ups:
If you are doing a "chip swap" then Google compatible replacements for the 5532, there are a lot better than the one you suggest out there, IMHO...
But then again, HOW those replacements react will be determined by the circuit they are placed into (obviously)...
"We ask our artists to be true. Actually, we demand that our artists be true. When poets, storytellers, & singers lie to us for money, our culture is diseased & in decline."
-Robert Fripp
Thanks. Yes I was seeing a wealth of information on the topic. Seems that although many reportedly sound better few if any are quieter than the 5532. There is a 5532P version with tighter tolerances, and a few who don’t think the 5532 sounds so awful.
So I kept it as it was, and am enjoying my functioning replay equipment after a very long slog of unexpected problems.
While I personally do not use the 5532 in any projects (I opt for the Burr Brown or Analog Devices models myself), the Mission Cyrus I and II integrated amps from the 80's used the 5532 to good effect in their own phono stages (I had a Cyrus II, which is now used only as a backup power amp).
I've included the II's phono schematic just so you can compare with the CVT3030's.
Good luck!
"We ask our artists to be true. Actually, we demand that our artists be true. When poets, storytellers, & singers lie to us for money, our culture is diseased & in decline."
-Robert Fripp
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