[sdiy] Reverse log using dual pot?

Michael Schulze michael.schulze at oberlin.edu
Tue Jun 25 21:51:03 CEST 2002


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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