The Dynaco Tube Audio Forum

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The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Tubes4hifi VTA tube amp and preamp kits and all Dynakitparts.com products


3 posters

    replacing a 40k pot with a 50k pot

    duder1982
    duder1982
    duder1982


    Posts : 6
    Join date : 2009-07-12
    • Post n°1

    replacing a 40k pot with a 50k pot Empty replacing a 40k pot with a 50k pot

    Post by duder1982 Sun Jul 12, 2009 1:16 pm

    Its not tubes, but I have a pat-4 preamp with a bad treble pot. The owners/assembly manual says its a 40k pot, but alls I can find here locally is a 50k pot. Is there any problem with this, or would it be better just to put a resistor in place, alls I want to do is center it to be flat. but the pot is all screwed up and I can't get good contacts.
    thanks
    duder
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    duder1982
    duder1982
    duder1982


    Posts : 6
    Join date : 2009-07-12
    • Post n°2

    replacing a 40k pot with a 50k pot Empty new to this forum

    Post by duder1982 Sun Jul 12, 2009 1:25 pm

    Also forgot to say that I just found this forum and I appreciate reading about good old audio gear.
    thanks
    duder
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    Bob Latino
    Bob Latino
    Bob Latino
    Admin


    Posts : 3262
    Join date : 2008-11-26
    Location : Massachusetts
    • Post n°3

    replacing a 40k pot with a 50k pot Empty Re: replacing a 40k pot with a 50k pot

    Post by Bob Latino Sun Jul 12, 2009 5:08 pm

    Hi Duder1982,

    I do have here an extra Dynaco PAT-4 dual treble control which is the correct part for your PAT-4. It is marked "161403" which is the correct Dynaco part number for the PAT-4's treble control. You can have it for the cost of the postage. If you want it Email me at > Bob01605@aol.com.

    Bob
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    GP49
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    GP49


    Posts : 792
    Join date : 2009-04-30
    Location : East of the sun and west of the moon
    • Post n°4

    replacing a 40k pot with a 50k pot Empty Re: replacing a 40k pot with a 50k pot

    Post by GP49 Mon Jul 13, 2009 12:31 am

    Hey, Duder, welcome to the forum! Take up Bob on the offer. That "40K pot" in the PAT-4 is not just any ordinary pot, but a special one designed by Dynaco to take the treble tone control out of circuit when it's in the center position. Yes, there IS a way to modify a standard pot to work but this offer is too good to refuse!
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    duder1982
    duder1982
    duder1982


    Posts : 6
    Join date : 2009-07-12
    • Post n°5

    replacing a 40k pot with a 50k pot Empty Re: replacing a 40k pot with a 50k pot

    Post by duder1982 Wed Jul 22, 2009 9:35 pm

    Bob just wanted to say that I did receive that pot last Friday, haven't got the chance to put it in yet but hopefully in the next week or so. once again thanks.
    duder
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    • Post n°6

    replacing a 40k pot with a 50k pot Empty Re: replacing a 40k pot with a 50k pot

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