[sdiy] headphone driver for synths

ulfur hansson ulfurh at gmail.com
Wed Aug 25 01:49:35 CEST 2021


you all are amazing, thanks so much for the info!!

sent from outer space

> On 24 Aug 2021, at 23:19, Vinicius Brazil via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
> 
> +1 with bd139/140
> 
> 	Livre de vírus. www.avast.com.
> 
>> 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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