[sdiy] Retractable mini pots

[Mike Beauchamp]

The first thing that comes to mind here is the Ibanez "Tone Lok" series 
of guitar pedals. They had pots that were able to be pushed down into 
the enclosure to stop them from accidentally getting turned exactly as 
you describe.

Here's a thread talking about ALPS and ALPHA replacements with at least 
one part #:

https://www.talkbass.com/threads/ibanez-tone-lok-pots-who-makes-pots-like-them.735572/


Mike


On 2026-08-21 14:28, Dixon, David via Synth-diy wrote:
> 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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