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In Reply to: RE: Newbie Q re: opamp drop in substitute posted by eduardoo on June 14, 2016 at 02:58:01
I'd say you are lucky to have the OPA2134 as your initial op amp. It is my favorite so far in my very recent op amp rolling. Not so easy to beat IMO. Of course it depends on what any individual likes. It's well balanced, has very good timbers, excellent bass and is musical. The often recommended bi polar LME49860 and it's close relatives are or can be extremely clear and fast and are considered by some to be clinical and sterile. I found that to be true but did not take time to break it in. It was too disturbing to listen to. Consider living with it for awhile before you drive yourself crazy rolling op amps. I suggest you replace some of those electrolytics with Elna Silmic ll or Nichicon KZ's. Some find the Silmic ll too rolled off. I love them myself. I have one more op amp to try, the OPA2132 and will then stop rolling, I think? T
Follow Ups:
Thanks, guys!
I just found an article on their site saying that the following would work as drop in:
OPA2134PA
JRC/ NJM4580DDJRC / NJM5532DD
MUSES MUSES8920D
LME49860NA
Any idea about these opamps?
Edits: 06/14/16
Could you post the url for where to get this headphone amp. Thanks.
Builder of MagneQuest & Peerless transformers since 1989
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