Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: A good review of the OPA2132 IMO (not mine} posted by Tweaker456 on December 30, 2016 at 14:20:55:
I used these op-amps in my Sony NS9000 and Classe'534 pre-amp. Both of those units were highly modded. New caps, low temp-co resistors all matched. The biggest change was adding 6800uf to the power pins of each IC op-amp. Sockets let me change out op-amps easy. I had a lot of op-amps to try in those days, one was the OPA-2132. With the power mods they have no sound of their own except for a dark character to the over all sound. They seem fast, with the highs you want and tight bass, but still dark. I replaced them with LM4562's and thought that I had reached Navona. The sound was brighter, like someone had turned on the lights. Now, I could see into the music and the way to the back. I have gone on to change all op-amps in my system to LM's, including my Emovita DAC and Classe' Ten power amps. These both have major power supply mods. I no longer use an analog pre-amp, as my system is all digital inputs now. Like I said, the opa's are OK, but the LM's will blow them away. Good Luck, bobwire
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Follow Ups
- Rain on the parade - bobwire 18:27:01 01/01/17 (4)
- RE: Rain on the parade - AbeCollins 12:26:09 01/03/17 (2)
- RE: Rain on the parade - bobwire 20:02:06 01/03/17 (1)
- RE: Rain on the parade - AbeCollins 22:44:46 01/03/17 (0)
- RE: Rain on the parade - Hornlover 11:19:24 01/03/17 (0)