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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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    SP14 Build question - Ground from volume

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    IntarsiaGuy


    Posts : 35
    Join date : 2021-04-07

    SP14 Build question - Ground from volume Empty SP14 Build question - Ground from volume

    Post by IntarsiaGuy Mon May 31, 2021 8:35 am

    The ground from the master volume (also grounded to the other 2 attenuators) is supposed to go to the "signal input ground" on the PCB. I am not sure where I am supposed to connect it. Any of the edge grounds on the far left side? Seems that would only ground one channel. Would appreciate some guidance. Thanks.
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    Pablo


    Posts : 15
    Join date : 2021-04-21

    SP14 Build question - Ground from volume Empty Re: SP14 Build question - Ground from volume

    Post by Pablo Mon May 31, 2021 7:26 pm

    It's been a few years since I assembled my SP14, but as I recall the two ground terminals on the master volume control get a jumper run between them, and the nearest edge ground point on the PCB gets connected to the jumpered terminal on the volume control.
    avatar
    IntarsiaGuy


    Posts : 35
    Join date : 2021-04-07

    SP14 Build question - Ground from volume Empty Re: SP14 Build question - Ground from volume

    Post by IntarsiaGuy Mon May 31, 2021 8:14 pm

    Thanks for the response, Pablo.

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