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


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    PH-10 Trimpots Question

    allenmmusic10003
    allenmmusic10003
    allenmmusic10003


    Posts : 14
    Join date : 2013-08-24
    • Post n°1

    PH-10 Trimpots Question Empty PH-10 Trimpots Question

    Post by allenmmusic10003 Sat Feb 01, 2014 6:00 pm

    Hello Everyone,

    My electronics knowledge: Starting to get an idea of how much I don't know.  scratch 

    I finished assembling and am now installing Roy's PH-10 board in my PAS chassis. One question remains before I fire it up: what is the function of the 500 ohm trimpots (R14a)?

    Thanks!
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    Roy Mottram
    Roy Mottram
    Roy Mottram
    Admin


    Posts : 1838
    Join date : 2008-11-30
    • Post n°2

    PH-10 Trimpots Question Empty Re: PH-10 Trimpots Question

    Post by Roy Mottram Sun Feb 02, 2014 6:44 pm

    those trimpots are to make sure the output gains are matched, normally they are very close. Set the pots at midpoint and adjust only if needed.
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    allenmmusic10003
    allenmmusic10003
    allenmmusic10003


    Posts : 14
    Join date : 2013-08-24
    • Post n°3

    PH-10 Trimpots Question Empty Re: PH-10 Trimpots Question

    Post by allenmmusic10003 Sun Feb 02, 2014 7:34 pm

    Thanks Roy!
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    • Post n°4

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