[sdiy] making a 100k pot act like a 10k

Gorka Garcia torpedo at demadrid.com
Mon Dec 13 11:29:52 CET 2004


"The secret life of pots", a very interesting article from R.G.Keen

http://www.geofex.com/Article_Folders/potsecrets/potscret.htm

And an interesting spredsheet from "Calambres" to calculate the equivalent potentiometer:

http://pisotones.com/Potes/TaperRes_English.xls

also some more info about pots (in spanish), from "Calambres" as well:

http://pisotones.com/Potes/Potes.htm

Enjoy



--- Magnus Danielson <cfmd at bredband.net> wrote:

From: Magnus Danielson <cfmd at bredband.net>
Date: Mon, 13 Dec 2004 10:51:29 +0100 (CET)
To: synth-diy at dropmix.xs4all.nl
Subject: Re: [sdiy] making a 100k pot act like a 10k

From: Doug Terrebonne <dougt55 at yahoo.com>
Subject: Re: [sdiy] making a 100k pot act like a 10k
Date: Mon, 13 Dec 2004 01:41:32 -0800 (PST)
Message-ID: <20041213094132.1027.qmail at web81208.mail.yahoo.com>

> Just put an 11k resistor in parallel to it, right?

This solves the problem if you only need the 10k end-to-end. If you need the
impedans on the wiper as if it is a 10k resistor, you are still pretty lost.
So, it depends on how they are used. It may even be that stuffing a 100k pot
is fine without any tricks at all.

Cheers,
Magnus

> --- William Berzinskas <WBERZINSKAS at nc.rr.com> wrote:
> 
> > as the sub says.. how can i make a 100k pot act like a 10k? i have  a bunch
> > of pots and a bunch of free time.. and not much money..   so, anyone? 
> 


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