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

    Preamp question

    badtuna
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    badtuna


    Posts : 6
    Join date : 2011-04-19
    • Post n°1

    Preamp question Empty Preamp question

    Post by badtuna Thu Jun 23, 2011 8:00 pm


    I am planning to use my Sansui 9090 receivers preamp with my rebuilt
    ST70 on her first effort to make a little music.I'm concerned I am overlooking
    an issue that might arise from such a combo.I'm a total rookie and
    and I'm pretty pleased I haven't burned down the house or electrocuted
    myself but I don't want to blow it now.I've enjoyed looking over everyones
    shoulder at there projects and have found many of the posts helpful with my project.

    Best Regards,Allan
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    Roy Mottram
    Roy Mottram
    Roy Mottram
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    Posts : 1838
    Join date : 2008-11-30
    • Post n°2

    Preamp question Empty Re: Preamp question

    Post by Roy Mottram Fri Jun 24, 2011 2:17 am

    shouldn't be a problem at all using the preamp outputs to the ST70 input, those are super classic receivers!
    There are a couple on ebay from $500 to $1300.
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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°3

    Preamp question Empty Re: Preamp question

    Post by GP49 Fri Jun 24, 2011 3:23 pm

    Running a solid-state device as a "preamp" for a Stereo 70 should work just fine. It's not like running a PAS into many transistor amplifiers with their too-low input impedances.
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    badtuna
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    badtuna


    Posts : 6
    Join date : 2011-04-19
    • Post n°4

    Preamp question Empty Re: Preamp question

    Post by badtuna Fri Jun 24, 2011 3:48 pm

    Thanks,I've got her singing really great.
    I can see why people are so nuts for these rigs.I'm dazzled!
    Best regards,Allan
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    • Post n°5

    Preamp question Empty Re: Preamp question

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