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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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    st70 current draw

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    corporalspiffy


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    Join date : 2015-04-23

    st70 current draw Empty st70 current draw

    Post by corporalspiffy Mon Jun 08, 2015 7:34 pm

    if i was to use a multimeter to read the current draw of an st70 what kind of reading will i get?
    if i install two amp meters in a variac project one reading 1-10 amps and the other milliamps would these be wired in series or parallel?
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    st70 current draw Empty Re: st70 current draw

    Post by Guest Tue Jun 09, 2015 10:55 am

    corporalspiffy wrote:if i was to use a multimeter to read the current draw of an st70 what kind of reading will i get?

    Depends whether your meter is analog or digital. lol!
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    corporalspiffy


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    st70 current draw Empty Re: st70 current draw

    Post by corporalspiffy Tue Jun 09, 2015 11:17 am



    Depends whether your meter is analog or digital.  lol! [/quote]

    smarty pants.
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    st70 current draw Empty Re: st70 current draw

    Post by Guest Tue Jun 09, 2015 5:46 pm

    .


    Last edited by PeterCapo on Thu Dec 03, 2020 4:29 pm; edited 1 time in total
    Roy Mottram
    Roy Mottram
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    st70 current draw Empty Re: st70 current draw

    Post by Roy Mottram Tue Jun 09, 2015 6:11 pm

    ST70 uses right about 1.5A. Simple ohms law, next to the AC power plug on the back it says 175w (175w/120v=1.5A) the manual says 190w max.

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