[sdiy] pots with centre detent?

[Dave Kendall]

On Jun 22, 2012, at 22:00, Paul Newman wrote:
> If you've never used a center detent pot do some research. I was 
> really unhappy with the alpha ones I used on a cv mixer I built. The 
> center was not very tight and it was impossible to dial it to the 
> center, or 0 mix for a -5 to +5 control, for example. I got so annoyed 
> I swapped them out for regular pots and was much happier.
>
>> On Jun 22, 2012, at 3:18 PM, "Matthias Herrmann" 
>> <matthias.herrmann at fonik.de> wrote: i would want a pot with center 
>> detent, center tapped, with a log area and a inv log area, each on 
>> one side of the detent. i fear this is not available off the shelf... 
>> or is it?



Has anyone tried and can comment on the CGS81 scheme, where a pair of 
BAT48s are used to create a "dead zone" in the centre of the offset 
pot's travel?

http://www.cgs.synth.net/modules/cgs81_proc.html

It seems like a neat way to solve the problem of "zeroing", if linear 
pots are being used.

cheers,
Dave




>>
>> matthias
>> ___
>> www.modular.fonik.de
>>
>> -----Ursprüngliche Nachricht-----
>> Von: synth-diy-bounces at dropmix.xs4all.nl
>> [mailto:synth-diy-bounces at dropmix.xs4all.nl] Im Auftrag von James 
>> Coplin
>> Gesendet: Freitag, 22. Juni 2012 16:40
>> An: synth-diy at dropmix.xs4all.nl
>> Betreff: Re: [sdiy] pots with centre detent?
>>
>> How long?  I've always just used the Alphas.  The only problem is that
>> they only have the linear ones with detent.
>>
>> James R. Coplin
>>
>>> -----Original Message-----
>>> From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
>>> bounces at dropmix.xs4all.nl] On Behalf Of Mike Beauchamp
>>> Sent: Friday, June 22, 2012 3:47 AM
>>> To: synth-diy at dropmix.xs4all.nl
>>> Subject: Re: [sdiy] pots with centre detent?
>>>
>>> Hi Colin,
>>> What resistance and curve are you looking for?
>>>
>>> I'm also looking for some center detent pots, panel mount linear
>> anywhere
>>> from 50k to 500k would work.
>>>
>>> Mike
>>>
>>> On Fri, 2012-06-22 at 01:54 -0400, Colin Hinz wrote:
>>>> They're such elusive animals! I can't find them anywhere. Anything
>>>> from Mouser seems to be some kind of big long monstrosity and nobody
>>>> else has anything at all. Small Bear has pots with 11 detents, but 
>>>> can
>>>> 10 of them be eradicated?
>>>>
>>>> Suggestions, anyone? Thanks in advance....
>>>>
>>>> - Colin
>>>>
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>>>
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