1 kohm volume pot

Bruno Putzeys · 3rd June 2004, 11:06 AM

Hi,

I'm looking for a high quality 1kohm volume pot (log taper, dual or quad). All the good pots are high-impedance (10k and up). Has anyone seen such a device?

Bruno

JohnW · 3rd June 2004, 11:42 AM

Hi Bruno,

Somebodys having a noise “issue”

Try Spectrol 180 Series,

Farnell P/N 307-1133 or 307-1250 1K Double Gang Log.

After major QC issues with Log Pots, the tracking between Gangs can be very poor due to the Log Taper, I now use LIN pots and an extra resistor to emulate a Logarithmic like taper – I find its Ok for most applications.

See below and original design idea:-

John

JohnW · 3rd June 2004, 11:43 AM

And original design idea:-

Bruno Putzeys · 3rd June 2004, 11:54 AM

Yup, that's probably going to be the soundest way out. Thanks.

kris neirinck · 20th July 2004, 11:04 AM

Hi Bruno,

Making a log potmeter with a lin potmeter + adding a resistor does not work very well due to the non linear resistance on the taper. The larger the current, the worser the effect.
Once I tried wirewound potmeters, which seems to work well exept that they are very hard to get in stereo. you need to make a mechanical connection between them to have dual or even quad configuration.

3rd June 2004, 11:06 AM	#1
Bruno Putzeys diyAudio Member Join Date: Apr 2004 Location: BE/NL/RW/ZA	1 kohm volume pot Hi, I'm looking for a high quality 1kohm volume pot (log taper, dual or quad). All the good pots are high-impedance (10k and up). Has anyone seen such a device? Bruno

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3rd June 2004, 11:54 AM	#4
Bruno Putzeys diyAudio Member Join Date: Apr 2004 Location: BE/NL/RW/ZA	Yup, that's probably going to be the soundest way out. Thanks.

20th July 2004, 11:04 AM	#5
kris neirinck diyAudio Member Join Date: Jul 2004 Location: gent	Hi Bruno, Making a log potmeter with a lin potmeter + adding a resistor does not work very well due to the non linear resistance on the taper. The larger the current, the worser the effect. Once I tried wirewound potmeters, which seems to work well exept that they are very hard to get in stereo. you need to make a mechanical connection between them to have dual or even quad configuration.

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