On Mon, 2013-12-16 at 13:42 -0500, Joe Hartley wrote: > On Mon, 16 Dec 2013 19:16:31 +0100 > Ralf Mardorf <ralf.mardorf@xxxxxxxxxxxxx> wrote: > > > Regarding to the pre amps, I was thinking of getting warmer sound, less > > about the level. > > I've recently built a few headphone amps that fit in Altoid tins. > It's barely about boosting the output level (though it will do that) > and more about making the source device's output work less hard and > possibly distort. > > The URL below goes to a page that compares many different op-amp chips > and discusses (among other things) the wau they affect the sound. I > ended up using the TI OPA2132P (a dual version of the Burr-Brown OPA132) > and I quite like the way it sounds. You forgot to post the URL :D. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user