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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    M125 input level

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    audiobill


    Posts : 425
    Join date : 2014-03-13
    Location : Albany, NY

    M125 input level Empty M125 input level

    Post by audiobill Fri Apr 11, 2014 3:48 pm

    I guess it takes about 1.5 volts to drive to full output.

    What's a safe max input level to avoid overload?

    Many thanks,
    Bob Latino
    Bob Latino
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    Posts : 3260
    Join date : 2008-11-26
    Location : Massachusetts

    M125 input level Empty Re: M125 input level

    Post by Bob Latino Fri Apr 11, 2014 5:44 pm

    Hi,

     It takes about 1.0 to 1.2 volts to drive the VTA M-125 amp to full output ..

    Bob
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    audiobill


    Posts : 425
    Join date : 2014-03-13
    Location : Albany, NY

    M125 input level Empty Re: M125 input level

    Post by audiobill Fri Apr 11, 2014 5:58 pm

    Thanks, Bob.

    But what's the upper limit?
    Bob Latino
    Bob Latino
    Admin


    Posts : 3260
    Join date : 2008-11-26
    Location : Massachusetts

    M125 input level Empty Re: M125 input level

    Post by Bob Latino Fri Apr 11, 2014 6:38 pm

    Probably about 1.25 volts is the upper limit of input voltage ..
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    audiobill


    Posts : 425
    Join date : 2014-03-13
    Location : Albany, NY

    M125 input level Empty Re: M125 input level

    Post by audiobill Sat Apr 12, 2014 7:33 am

    Great, thanks!

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