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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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    Dynaco VTA-ST120 yellow sheet diode mod.

    edman44
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    edman44


    Posts : 24
    Join date : 2021-06-14
    Age : 61
    Location : PENNSYLVANIA
    • Post n°1

    Dynaco VTA-ST120 yellow sheet diode mod. Empty Dynaco VTA-ST120 yellow sheet diode mod.

    Post by edman44 Tue Aug 17, 2021 6:28 pm

    Hello,    
              I am building my VTA-ST120 kit and wanted to know if the diode yellow sheet mod will work on the VTA-ST120?  How would I wire it up? Thanks,
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    Bob Latino
    Bob Latino
    Bob Latino
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    Posts : 3263
    Join date : 2008-11-26
    Location : Massachusetts
    • Post n°2

    Dynaco VTA-ST120 yellow sheet diode mod. Empty Re: Dynaco VTA-ST120 yellow sheet diode mod.

    Post by Bob Latino Tue Aug 17, 2021 7:07 pm

    edman44 wrote:Hello,    
              I am building my VTA-ST120 kit and wanted to know if the diode yellow sheet mod will work on the VTA-ST120?  How would I wire it up? Thanks,

    Yes - It will work .. Use 1N4007 diodes and check how to do the mod on the STICKY post above about the "yellow sheet mod". Link is below.

    Yellow sheet mod

    Bob
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    edman44
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    edman44


    Posts : 24
    Join date : 2021-06-14
    Age : 61
    Location : PENNSYLVANIA
    • Post n°3

    Dynaco VTA-ST120 yellow sheet diode mod. Empty Re: Dynaco VTA-ST120 yellow sheet diode mod.

    Post by edman44 Tue Aug 17, 2021 11:24 pm

    Thanks, Bob, You have been a great help and resource since I bought the kit. Not to mention replacing the bad KT120. The support that comes with your kits is invaluable!
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    • Post n°4

    Dynaco VTA-ST120 yellow sheet diode mod. Empty Re: Dynaco VTA-ST120 yellow sheet diode mod.

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