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Re: Now what to do with my amplifier? Posted by Ari [Email] ![]() ![]() In Reply to: Now what to do with my amplifier?, Rod ![]() |
Potentiometers come in two types - linear and audio taper. Linear is, well, linear. Audio taper pots are non-linear, following the response of the ear.
You can put any pot in as long as:
It has the same resistance range.
It has the same hole size and shaft length.
You get the right taper (linear or audio)
It has at least the same wattage capability or higher.
You get the right number of stages (usually 2 - two pots on a single shaft)
Resistance ranges are pretty standard, so I doubt there's a problem there. Hole sizes are standard, too. Wattage won't be a big issue, because most volume controls don't dissipate much power.
In your place, take a look at the potentiometer. Look for writing. You'll see stuff like '10K', 500 ohms, 20K, (resistance rating). It will probably say audio taper if it is. It will probably have a rating with a 'W' after it, and that's the power rating (in watts). You can measure the shaft with a micrometer - usually 1/4 or 3/8 inch.
As long as you get the right resistance, it won't hurt anything. If you get a linear taper instead of an audio taper, you still won't hurt anything, it's just that as you turn the knob, the volume will increase at a different rate - but low will still be low and full will still be full.
posted by 192.249....
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