Fixed-Architecture Mono Synth Builds

[analogoutput]

@WarmwoodAudio

I’m gonna do Ray Wilson’s PSU, if anything in his honor, and because I have his book I can follow from. I need something to test the modules too.

If you want to do it on a PCB rather than stripboard I have a layout you can download Gerbers for

https://github.com/holmesrichards/ww_supply

And I definitely recommend the 1N4004 to 1N5817 swap (on the +12 V output)

PSU startup problems

From the My build progress topic: and a couple more people spoke up saying they’d had similar issues with Frequency Central/MFOS style wall wart supplies. Seems worth breaking out to its own topic. It’s not always on -12V. It does seem it’s the regulator shutting down due to overcurrent, probably associated with a capacitor which once it starts charging up pulls less of a load, so that restarting is successful. Is it the 10µF (or whatever) bypass capacitors on the module power rails? Is it …