[sdiy] headphone driver for synths
mars at pingdynasty.com
Thu Sep 9 18:05:23 CEST 2021
Cheaper perhaps in parts, not counting assembly and board space. And the
OPA1678 is only about $0.25 in quantity. It's become my go-to audio op
amp for all round good specs.
There's also the RC4560 which is about same price as the 5532.
On 08/09/2021 22:23, Mike Bryant wrote:
> Yes the OPA1678 has a higher drive current than the 5532, but using
> both of the pair of a 5532 in parallel works out cheaper than half a
> OPA1678 per channel provided you don’t mind the 4 times quiescent
> current (2* per opamp and 2 opamps).
> Noise and distortion are very similar, and far below what is audible.
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Synth-diy