A unusual inquiry I am sure. I am attempting to restore an old drive-in movie speaker. The original inside parts were totally rusted and beyond identification or function. Found a 4" waterproof marine speaker (100 watt) that fits well. I am unable to find a potentiometer with a shaft length that wil…

mehlrenner September 10, 2020, 9:15pm 10

Photo here is of drive-in movie speaker casing front with old potentiometer shaft length protruding to accommodate volume knob.

Drive-In Movie Speaker Restoration

Drive-in Movie Speaker