[sdiy] Reverse log using dual pot?

John L Marshall john.l.marshall at gte.net
Wed Jun 26 03:34:27 CEST 2002


My favorite solution is to put a plastic skirt with the numbers clockwise on
the knob. The user will quite naturally turn the knob counterclockwise.


Take care,
John

Pacific Northwest DIY Synth meeting, July 20, 2002
See: www.sound-photo.com

----- Original Message -----
From: "Michael Schulze" <michael.schulze at oberlin.edu>
To: "Brousseau, Paul E (Paul)" <noise at avaya.com>;
<synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, June 25, 2002 12:51 PM
Subject: Re: [sdiy] Reverse log using dual pot?


> Check this out - reverse log solution using gears!
>
> http://www.idg.se/personal/bergfors/bergfotron/vcf.htm
>
> > From: "Brousseau, Paul E (Paul)" <noise at avaya.com>
> > Date: Tue, 25 Jun 2002 10:48:06 -0700
> > To: <synth-diy at dropmix.xs4all.nl>
> > Subject: Re: [sdiy] Reverse log using dual pot?
> >
> > Why yes, someone did post about reverse log whatsit-things.
> >
> > --PBr
> >
> > Forwarded message:
> >
> > -----Original Message-----
> > From: Scott Bernardi [mailto:sbernardi at attbi.com]
> > Sent: Friday, March 29, 2002 3:28 PM
> > Cc: synth DIY
> > Subject: Re: [sdiy] Reverse audio taper pots found
> >
> >
> > If you are using it as an attenuator (ie, all 3 pins), you can FAKE a
reverse
> > log pot with a dual linear pot.  Works good for filter Q controls. See
> > http://home.attbi.com/~sbernardi/elec/og2/partsub_pots.html, section on
> > "Square
> > Law Attenuators".
> >
> > "J. Larry Hendry" wrote:
> >
> >> Seems like someone was looking for these reverse audio taper pots not
too
> >> long ago.  I was scanning the newest MECI catalog and they have one
listed
> >> as:  10K reverse audio taper.  It has the smaller 1/8" diameter shaft.
Part
> >> # 450-0242.  If you are interested, you can check it out at their web
site.
> >> Larry H
> >
> > --
> > Scott Bernardi
> > sbernardi at attbi.com
> >
> >
>




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