[sdiy] Potentiometers!!

[Czech Martin]

What kind of resistance material you are talking about?

Is carbon out of limits?
Must it be plastic or even cermet?

Plastic pots at Farnel are extremely expensive, your 5$
statement comes close to it.

Some of the cheaper carbon stuff feels ugly,
the torque needed is uneven.

m.c.

> -----Original Message-----
> From: owner-synth-diy at dropmix.xs4all.nl
> [mailto:owner-synth-diy at dropmix.xs4all.nl]On Behalf Of James Patchell
> Sent: Mittwoch, 14. Januar 2004 06:53
> To: Bret Truchan
> Cc: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Potentiometers!!
> 
> 
> I buy the smooth shaft.  But hey, you are in luck, here in 
> the U.S. of A, 
> you can get them from Mouser.
> 
> I have catalog 616 (Nov 03 to Jan 04), and they are on page 
> 405.  I get the 
> 10K (31VA401) and 100K (31VA501) parts for the most part.
> 
> At 08:29 PM 1/13/2004 -0800, Bret Truchan wrote:
> 
> 
> >Thanks James!  That's good news.  Do you happen to be using 
> the knurled 
> >shaft type of Xicon (Alpha) pots?  If so, where do you 
> usually buy them 
> >from?  I suppose I could order them from ESR in the U.K., 
> but I'm in the 
> >U.S., and I can't seem to find them in either the Digikey or 
> Mouser catalogs.
> >
> >- Bret
> >
> >-----Original Message-----
> >From: James Patchell <patchell at cox.net>
> >To: Bret Truchan <clone45 at hotmail.com>; synth-diy at dropmix.xs4all.nl
> >Sent: Tue, 13 Jan 2004 18:07:38 -0800
> >Subject: Re: [sdiy] Potentiometers!!
> >
> >Not too sure what pots they use, but if they cost about a 
> dollar, they are 
> >probably the Xicon (Alpha) pots. While these are probably 
> not the best 
> >pots in the world, what you get for that buck (actually, I 
> think I get 
> >them for less than 80 cents when I buy in 100s) more than 
> outshines the 
> >more expensive pots in some ways. The Xicon pots have a 
> "very good" feel 
> >when you turn them. Some of the Bourns pots feel better, but if you 
> >purchase them new, they cost about $5 each. Although, you 
> can sometimes 
> >pick up good deals on the surplus market. I got a few 
> hundred bourns pots 
> >for 25 cents each (but a wierd value, 300K)...
> >
> >Still, I do not hesitate to use the Xicon pots. I have some 
> that are in 
> >things I built over 20 years ago, and they still work like a champ.
> >
> >At 04:42 PM 1/13/2004 -0800, Bret Truchan wrote:
> >
> >>Hello everyone!
> >>
> >>I'm working on a module that's going to have... potentiometers!!! 
> >>[Waaaahhh! The muppets go wild!!]
> >>
> >>I searched the synth-diy archives and got some information. From
> >those, I >learned
> >>
> >>1) Don't skimp
> >>2) Some good brands are Bourns and Spectrol
> >>3) If I want knurled potentiometers like many other compact modulars
> >have, >then one place that sells them is
> >>http://www.users.zetnet.co.uk/esr/products3.html
> >>
> >>My initial thoughts are that I DO wish to emulate Analog Systems,
> >Analog >Solutions, Doepfer, and Blacet for my knobs/pots. The 
> >potentiometers at >www.users.zetnet.co.uk only cost about a 
> dollar, which 
> >makes me nervous.
> >>
> >>My Question: Can anyone name and rate the potentiometers used by
> >Analog >Systems, Analog Solutions, Doepfer, and Blacet?
> >>
> >>Thanks a ton!
> >>- Bret
> >>
> >>_________________________________________________________________
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> >
> >  -Jim
> >***************************************************
> >I'm a man
> >But I can change
> >If I have to
> >I guess.
> >
> >Man's Prayer
> >Red Green
> >
> >***************************************************
> >http://www.oldcrows.net/~patchell
> >
> >http://members.cox.net/patchell
> >
> >***************************************************
> >
> 
>          -Jim
> ***************************************************
> I'm a man
> But I can change
> If I have to
> I guess.
> 
> Man's Prayer
> Red Green
> 
> ***************************************************
> http://www.oldcrows.net/~patchell
> 
> http://members.cox.net/patchell
> 
> ***************************************************
> 
> 
>