[sdiy] headphone driver for synths

Vinicius Brazil brazil.v at gmail.com
Wed Aug 25 01:17:10 CEST 2021


+1 with bd139/140

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On Tue, Aug 24, 2021 at 7:29 PM Brian Willoughby <brianw at audiobanshee.com>
wrote:

> Looking inside gear that I've owned over the years, I have seen plenty of
> purpose-designed headphone amplifier chips. I've never designed with them
> or looked at the pricing, so they might not be the best choice for all
> situations, but they certainly have plenty of power and the data sheet
> example circuits will certainly be aimed at driving headphone loads.
>
> Brian
>
>
> On Aug 24, 2021, at 09:49, ulfur hansson via Synth-diy <
> synth-diy at synth-diy.org> wrote:
> > hello all!
> >
> > i've been getting mixed results for a few yeara using standard opamp
> circuits to drive headphones for my projects. oscillations randomly seem to
> occur, noise issues that disappear if i use nice outboard preamp etc...
> >
> > is there a more juicy/capable solution anyone can think of? THAT corp
> line drivers? discrete transistor drivers?
> >
> > any thoughts would be greatly appreciated :)
> > -ulfur
>
>
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