[sdiy] pots with centre detent?

[Dave Manley]

Using diodes to create a dead zone is at least as old as the arp 2600 

-Dave

-------- Original Message --------
 From: Dave Kendall <davekendall at ntlworld.com>
 Sent: Fri, Jun 22, 2012 02:12 PM
 To: synthdiy diy <synth-diy at dropmix.xs4all.nl>
 CC: 
 Subject: Re: [sdiy] pots with centre detent?

>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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