This is my first Mixing board that I owned. I am restoring it to functional shape. I can not find some of the slider pots in lots less than 230 units. So I must substitute an illuminated slider to maintain the travel and resistance.
Restuffing of the slide pots.
There are no inexpensive direct replacements for the 50K ohm tone controls. They can be ordered at a minimum of something like 230 pcs. But I need only a small fraction of that amount. so I located a 50k ohm slide pot with the same taper and slide length.
While thinking about how to mount and run extension wires from the circuit board to the new smaller slide pot genius struck me. Why not put the new pot inside the gutted old pot? The old shell will keep the new pot physically aligned and provide a clean connection to the circuit board. See below:
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