[sdiy] headphone driver for synths

Michael E Caloroso mec.forumreader at gmail.com
Thu Aug 26 03:48:40 CEST 2021

Twenty years ago, I cloned the output driver for the Race HC-6
headphone monitor for an auxiliary box in my studio rig.  Can easily
drive 600ohm headphones.  Has yet to fail.  The schematic is easily
found online.


On 8/25/21, Dave Brown <davebr at modularsynthesis.com> wrote:
> I just built a vintage Buchla 275 reverb module which uses that topology. It
> works quite nicely. It worked better with a TL071 than with the original
> vintage MC1456. The module consists of a panel with control circuitry and a
> separate reverb unit that uses a similar circuit to drive the reverb tank. I
> have details on my 275 page at
> https://modularsynthesis.com/mems/275der/275der.htm
> Dave
>> -----Original Message-----
>> From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of
>> Roman Sowa
>> Sent: Wednesday, August 25, 2021 12:43 AM
>> To: synth-diy at synth-diy.org
>> Subject: Re: [sdiy] headphone driver for synths
>> Has anyone ever tried to explore this not-so-new idea of using opamp's
>> supply currents to drive boosting transistors?
>> Schematics attached.
>> Roman
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