On Sat, 3 May 2008 11:20:59 -0400, (---MIKE---)
wrote:

My new digital FM tuner puts out too strong a signal compared to my
other inputs (TV and CD). I want to install a dual pot between the
tuner and preamp to reduce the volume. What is the best value pot to
use for this.

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Depends on the input impedance of your preamp and the output impedance
of your tuner.
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I have ordered 50K, 100K, 250K and 500K from Mouser (the
pots are cheap - the shipping is not).

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Try the 50k first.

If it sounds OK, you're there.

JF