[sdiy] Retractable mini pots

[Mike Bryant]

Are they possibly the push pull pots with switches used on some guitars, with the switch action being ignored and mounted flush with the panel when pushed in ?

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From: Synth-diy <synth-diy-bounces at synth-diy.org> on behalf of Dixon, David via Synth-diy <synth-diy at synth-diy.org>
Sent: 21 August 2026 19:28
To: synth-diy <synth-diy at synth-diy.org>
Subject: [sdiy] Retractable mini pots

Hello Synth DIY Team,

As many of you probably know, I am building my own version of the Korg PS-3100.  (Here’s a fairly cringe video of the core in action, with a lot of extra info about the board layouts, etc — https://www.youtube.com/watch?v=lbtxMdQE64A) I’ve got the core circuitry (48 separate synthesizers) and much of the downstream circuitry (resonators, etc) designed, built and tested, and I am currently trying to lay out the panel.

I am going to also have the 12 mini pots down the left side for “TEMPERAMENT ADJUST” (which I presume was basically a way to adjust the tuning without opening the case and adjusting trimmers).  The original had these nifty retractable mini pots that can be pushed in flush the panel when not being used.  I cannot seem to find anything similar on the internet.  I was wondering if any of you had any inside track into where one might be able to procure such a thing.  I need a dozen of them, and I’d prefer if they were PCB mount, but that’s not strictly necessary.

Thanks in advance,
Dave Dixon
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