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Chip Amps Amplifiers based on integrated circuits

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Old 22nd May 2006, 07:26 AM   #11
preiter is offline preiter  United States
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The circuit shown is with the variable pot for volume control. The way the circuit is usually shown (the base model) is without the pot.

I believe that without the pot, resistors R1 and R2 would be needed, the pot does seem to make them superfluous.

That's why they show up in this circuit though, it's the original circuit with a pot slapped on the input stage.
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