Volume and Balance controls with stray capacitance. There are two input terminals on the left. The lower one is connected to chassis ground and the upper one is connected to the top of a 500 k ohm pot. The bottom of the pot is connected to chassis. The wiper of this pot connects to the top of another 500 k ohm pot. The bottom of this second pot goes to chassis. There is a capacitor shown in red connected in parallel with the second pot. The capacitor is labeled 150 p f. The wiper of the second pot goes to the upper output terminal. The lower output terminal goes to the chassis. End verbal description.
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