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A good way to mount "swappable" potentiometers in a pcb?
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autotel:
thanks for the answers! It is funny, I was most enthusiastic about the idea of a solder bridge. I guess these are in general considered a bad practice, and why do it systematically, right

I have done a couple of passive mixers using the boutique approach; soldering wires by hand. It is a +3 hours work and really not worth doing, if I were going to do it for someone else. Then they turn out to be a bit hard to repair, because of the double gang!

Cutting the leads: yes, definitively a sensible idea. Why didn't I think of that! I usually try to recover the parts wholly, but in this case it would be pointless to try.

I laughed about the topic of digital potentiometers in a passive mixer. I have actually considered this possibility. My mixer will have one tiny active output in case the user wants to use it with headphones. I didn't follow thinking about that because I expected that you'd also need a microcontroller for that, which in my mind defeats the purpose. I liked that digital pot that you can couple with an encoder directly! However active, it is a bit in the spirit of the project, I feel. The bad thing about that approach is the reliance on having power in order to be able to mix. Perhaps a meaningful compromise. Besides, it might be more eco-friendly to have an indestructible potentiometer than having to change these systematically.

Thanks for all the ideas!

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