10M pots?

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FAP
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10M pots?

Post by FAP »

Am I missing something? Why is it any potentiometer bigger than 1M either doesn't exist, or if it does exist it's rare and outrageously expensive? I have no trouble finding 10M resistors, nor 1M pots: I find it hard to believe there wouldn't be any demand for higher Mohm value pots. Even trimpots/precision stuff in the higher Mohms suffer the same fate. What gives?
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Re: 10M pots?

Post by NoiseWiki »

FAP wrote: Sat Mar 14, 2020 1:37 am I find it hard to believe there wouldn't be any demand for higher Mohm value pots. Even trimpots/precision stuff in the higher Mohms suffer the same fate. What gives?
Well considering that most electronics are probably digitally controlled these days then there probably isn't a demand
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Re: 10M pots?

Post by timdrage »

I have/had some but they were ancient and gigantic. 2m are easy-ish to find in my experience

I think their scarcity is because in most circuit-design situations you'd change other components in order to avoid needing 10m pot to get the desired range of operation. But of course yeah they are great for circuitbending purposes
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Re: 10M pots?

Post by FAP »

Well thankfully I have plenty of 10M resistors, so I can at least add some DOOM
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Re: 10M pots?

Post by NoiseWiki »

I mean if you really need that much range just pit some in series or a switch to toggle a high base resistance
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Re: 10M pots?

Post by FAP »

...which is probably what I'll end up doing, with the resistors I mean. A bunch of pots in series is just so wasteful.
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Re: 10M pots?

Post by timdrage »

These days I usually give most things a kind of course + fine control with 2 pots in series

actually more like course + course usually, eg 2x 2m pots :)
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Re: 10M pots?

Post by NoiseWiki »

FAP wrote: Mon Mar 16, 2020 5:04 pm ...which is probably what I'll end up doing, with the resistors I mean. A bunch of pots in series is just so wasteful.
Yea especially if you don't need the full range to be variable
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Re: 10M pots?

Post by timdrage »

Most bent things I make I include an optional LDR in series too, they usually have a pretty extreme range.
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Re: 10M pots?

Post by FAP »

timdrage wrote: Thu Mar 19, 2020 4:07 am Most bent things I make I include an optional LDR in series too, they usually have a pretty extreme range.
Ohohoho yeah, just learned that recently. Shouldxe2x80x99ve tried that out years ago.
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