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1 Meg Volume Pots


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i know the effects that different pots have on tone in a guitar but i've noticed that most tube amps use one meg pots for volume and i'm sure there's a good reason. what would the audio differences be on a volume circuit with different sized pots..250k, 500k, 2 meg, etc.

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i think its to do with tube triode gain circuits having a higher output impedance (about 100k to 300k) and so a 1 Meg pot would be used so that it doesnt load the gain stage down.

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