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


2 posters

    ST70>ST120

    itrfguy
    itrfguy
    itrfguy


    Posts : 22
    Join date : 2020-10-26
    Location : Lehigh Acres, FL
    • Post n°1

    ST70>ST120 Empty ST70>ST120

    Post by itrfguy Tue Sep 12, 2023 12:17 pm

    Have talked with Roy and Dan about rebuilding my ST70 into a ST120 for a while now.  I've finally pulled the trigger, bought the parts, and have finished the rebuild.  Driver tubes are EH 12AU7s and output tubes are Svetlana OTK 6550Bs.  Sounds great!  Now to build another ST70 from my leftover parts.  ST70>ST120 1f60e

    ST70>ST120 20230910

    Bob Latino, Dale Stevens, knotscott and Simonism like this post

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    knotscott
    knotscott
    knotscott


    Posts : 58
    Join date : 2019-12-28
    Location : Rochester, NY
    • Post n°2

    ST70>ST120 Empty Re: ST70>ST120

    Post by knotscott Mon Oct 16, 2023 6:59 pm

    Looks great...love the digital readouts!

    itrfguy likes this post

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    itrfguy
    itrfguy
    itrfguy


    Posts : 22
    Join date : 2020-10-26
    Location : Lehigh Acres, FL
    • Post n°3

    ST70>ST120 Empty Re: ST70>ST120

    Post by itrfguy Tue Oct 17, 2023 11:01 am

    Here's the link to my digital meters post:

    https://dynacotubeaudio.forumotion.com/t5050-digital-bias-meters#48859

    I'm here if you have any questions.
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    • Post n°4

    ST70>ST120 Empty Re: ST70>ST120

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