On Sat, 11 Nov 2006 10:53:27 -0000, "NOTTNICK"
wrote:

I need to put a variable pot in a line signal circuit.
I guessed at 10 ohm.
I'd appreciate knowing if this was the right choice.

Thanks
Nick

I think you'd be unhappy with ten ohms - that is way too low. In
series with the signal it won't do much of anything and connected
properly (across the line output with the wiper going to the input on
the speaker amp) it would overload the line output - if it didn't
cause damage it would decrease the output to near zero.

Unless by line out you mean a 4-8 ohm speaker output then 10 ohms
might work. "line output" is normally a low level 1 volt peak to peak
signal with a relatively high impedance output - not designed to drive
a lot of power or low impedance loads.

Think more in terms of 1,000 or 10,000 ohms and get an (dual for
stereo) audio taper potentiometer.

Guessing doesn't work in electronics, until you have worked with lots
of circuits and understand what is happening.

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