Re: Potentiometer in Andante 1462. Original?!?
The extra lead is a tap that provides a loudness contour to the volume control. As the volume is decreased, the bass and treble are increased since the human ear is less sensitive to the frequency extremes for soft sounds. Many of the German radios have pots with this sort of tap.
It looks as though someone tried to use a dual pot to perform the same function.
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Jim Mac
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