[sdiy] CV inputs with bipolar "amount" knobs

[cheater cheater]

just open it up and tap it yourself
;-)

D.

On Tue, Jul 27, 2010 at 20:04, Harry Bissell <harrybissell at wowway.com> wrote:
> Mouser shows a number of them in their catalog, most are PCB mount. Some are non-stock...
> I know that Alpha will make them for some minimum order. I'm not sure but probably
> 500pcs. I went in on a batch some years ago...
>
> H^) harry
>
> ----- Original Message -----
> From: Tom Wiltshire <tom at electricdruid.net>
> To: Harry Bissell <harrybissell at wowway.com>
> Cc: David G. Dixon <dixon at interchange.ubc.ca>, Synth-diy at dropmix.xs4all.nl
> Sent: Tue, 27 Jul 2010 13:47:51 -0400 (EDT)
> Subject: Re: [sdiy] CV inputs with bipolar "amount" knobs
>
> I think I probably agree with you as to the superiority of the centre-tapped pot, but they're hard to find. Do you know a good supplier?
>
> Thanks,
> Tom
>
> On 27 Jul 2010, at 16:35, Harry Bissell wrote:
>
>> If its a CV input from a slow moving voltage (KBD, ENV etc) it would be fine
>> but if its audio rate modulation, you may find it difficult to get the null point.
>>
>> It also depends on use. For noodling in the studio, a fidgety knob is fine. For
>> live performance, it needs to be rock solid (at zero) imho.
>>
>> I really prefer the center-tapped pot with the center grounded. That works from
>> DC to any reasonable frequency, and the center detent is usually aligned
>> with the tap (the tap is mechanically wide...)
>>
>> H^) harry
>
>
> --
> Harry Bissell & Nora Abdullah 4eva
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