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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
Please do a search within this forum and you should come up with some I.C's and other suggestions you are looking for.
Just make sure the sub I.C has the same gain as the OPA2134.
Follow Ups:
More important than the gain is power supply voltage. Put a 5v opamp in a 15v circuit and you get melted plastic or loud burst of noise or no sound at all.
There is nothing wrong with the sound of the 2134, and many prefer it to any other. I find it a bit too smooth and prefer the electrically equivalent but slightly more detailed LM49720. There are pages and pages of opinions about "best" opamps. Some opamps will sound significantly different but not necessarily better, and many will yield very minor changes.
What are you hoping to accomplish? Truth is, you could probably improve the sound more than rolling opamps simply by removing those cheapo sockets and soldering the opamps directly to the boards. Even good sockets are unquestionably a compromise, and those look to be less than good.
Peace,
Tom E
berate is 8 and benign is 9
Thanks.
I'm actually not trying to accomplish anything (yet), as I'm just beginning to toy with this thing, but am trying to learn what options I have in the future. I absolutely agree that it would more often be change rather than improvement with these and other tweaks, and it will be done purely for fun and exploration.
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