Just for some reading material....
I've built a CMOY pocket headphone amp.
I used the OPA2134 series.
http://tangentsoft.net/audio/cmoy-tutorial/parts.html#op-amp
Somewhere in the documentation is a long list of opamps and how the author feels about them. Some are very good while others have audible flaws which some may find acceptable, others not.
I've built a CMOY pocket headphone amp.
I used the OPA2134 series.
http://tangentsoft.net/audio/cmoy-tutorial/parts.html#op-amp
Somewhere in the documentation is a long list of opamps and how the author feels about them. Some are very good while others have audible flaws which some may find acceptable, others not.