[sdiy] Patch pal style audio amp

[frey at radioles.com]

Tx for the reply. I am going into desktop modular device that’s eurorack spec. I am coming out of a Crudman voltage controlled cassette player into a EOWave Quantrantid Swarm. I have a few desktop synths that I want to run audio into in this way, not an actual eurorack spec powered case.
 I have a bunch of passive patchpal thingies in the style Quincas has built. I want to make something self contained so batteries because not passive. I have seen amp circuits using one transistor. Could this work? JoeF.
On Jul 17, 2022, 10:37 PM -0400, bbob <fluxmonk at gmail.com>, wrote:
> I use 2 inverting op-amps in series, with a gain on the first one at about 5 (since you're in eurorack, you already have a dual power supply)
>
> > On Sun, Jul 17, 2022 at 10:25 PM JoeF <frey at radioles.com> wrote:
> > > Hey there all, I bet someone has already made a small battery powered amp to go from line level to a hot input signal for Eurorack modular standard?
> > > If not, then can a I use a single transistor amp to do this? Will the input drag it down or load it up? TY for any advice or help. JoeF.
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