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Custom Potentiometers in Small Lots?

Discussion in 'Electronic Components' started by David Forsyth, Mar 5, 2007.

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  1. I am looking for a manufacturer to make custom slide pots of given physical
    dimensions in a variety of values and tapers. I have written to various
    makers and gotten no replies. Does anyone know where an individual with
    some money to spend could have custom parts made? I do not represent a
    company or corporation, so perhaps that is why I am getting no attention.
    If anyone knows a source of custom manufacturing in relatively smaller lots
    (say under 5000 pcs), I would appreciate the info.

    thanks,

    Dave
     
  2. Eeyore

    Eeyore Guest

    May I suggest you stick with what's in the catalogue ?

    What's so special about what you want anyway ?

    Graham
     
  3. Hi Graham,

    If I could find something in "the catalog" that replaced the parts I need to
    replace, I would be overjoyed. Perhaps I'm looking in the wrong catalogs.
    The parts I have are 30+ years old, made in Mexico by CTS and used in
    vintage analog synthesizers. Essentially, they need to be a more or less
    exact fit replacement. I don't even need the whole pot made up, because the
    carbon track is replaceable so even if I could find replacement resistance
    tracks I would be happy :)

    Dave
     
  4. Eeyore

    Eeyore Guest

    I suspect I know the type you mean. It's not actually very popular any more.
    Modern pots are smaller but it is at least a 'generic' type.

    What's the diameter of the body (in mm please ! ) and what track resistances /
    laws are you looking for ?

    Do you recognise it here btw ?
    http://www.ctscorp.com/components/potentiometers.htm

    Graham
     
  5. Hi Graham,

    The pots I am looking for are slide pots, so I'm not sure if you had the
    right thing in mind (you had asked for
    a diameter). I am looking for the following values:


    1K Linear
    1 Meg Log
    100K Linear
    100K Log

    The slide travel is approx. 45mm

    The closest part I could find in current manufacture was an Alpha pot, part
    number
    RA4520F-10-20D1-B13 available from mouser.com as 312-9201F-1K, however
    these
    come in linear only and would require some retrofitting to the original
    layout.

    There are some pics of the pots I am looking for in the photo album on my
    ARP page at:

    www.poconothermionics.com/arp.html

    The pots made by CTS currently are not the right dimensions or values.

    thanks,

    Dave
     
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