On Sun, 30 Oct 2011 02:26:06 -0700, DaveC wrote:

Why not go active and get rid of the caps altogether?

Thanks John. Good simple design.

Can you suggest a good op amp for such an audio application?

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I used an LT1007 in the simulation.

Did you run it?
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Is it possible to use single-supply amps throughout?

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Yes, but you'd have to use caps on the inputs and outputs and
reference the opamp + inputs to Vcc/2.

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JF