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Hypothetical volume control situation
Hypothetical volume control situation
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Old 2nd August 2009, 11:19 AM   #1
CigarBoxAudio is offline CigarBoxAudio  United States
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Default Hypothetical volume control situation

Suppose I had an amplifier circuit that was designed for use with a volume control in the 22-47kohm range, but all I had was a 10kohm pot.

What would happen if I used that 10kohm pot with that circuit?

Thanks!
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Old 2nd August 2009, 11:25 AM   #2
jan.didden is offline jan.didden  Europe
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Default Re: Hypothetical volume control situation

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Originally posted by CigarBoxAudio
Suppose I had an amplifier circuit that was designed for use with a volume control in the 22-47kohm range, but all I had was a 10kohm pot.

What would happen if I used that 10kohm pot with that circuit?

Thanks!

If the circuit was designed *to be driven by* the pot, no problem.
If the circuit was designed *to drive* the pot, it may be loaded too much.

jd
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Old 2nd August 2009, 11:54 AM   #3
Jan Dupont is offline Jan Dupont  Denmark
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Where is the pot placed in the circuit ?

Even with a high level line signal, e.g. 4V, the load using a 10K pot isn't much (0.4mA + the load of the following circuit).
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