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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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    Dynaco stereo 70 series 2

    daveshel
    daveshel


    Posts : 169
    Join date : 2011-11-06
    Location : Tucson AZ USA

    Dynaco stereo 70 series 2 - Page 2 Empty Re: Dynaco stereo 70 series 2

    Post by daveshel Wed May 25, 2016 12:38 pm

    tubes4hifi wrote:I couldn't find it either, do you have an auction ## ?

    http://www.ebay.com/itm/Dynaco-Stereo-70-Tube-Amplifier-A-Classic-/141994473372?hash=item210f87b79c:g:~GIAAOSwdV1XORTe

    $218 with 8 hours to go.
    mark four
    mark four


    Posts : 51
    Join date : 2011-08-12
    Age : 69
    Location : philadelphia , home of dynaco

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    Post by mark four Thu May 26, 2016 6:15 pm

    sold for $460.00 .
    avatar
    stewdan


    Posts : 234
    Join date : 2010-03-07
    Age : 86
    Location : Houston Texas

    Dynaco stereo 70 series 2 - Page 2 Empty Series 2 Stereo 70

    Post by stewdan Thu May 26, 2016 7:26 pm

    Interesting --- if you look at the bidders, 20 of the 28 bids were from one person with a feedback count of 65 or a newbie.
    The high bidder had 779 feedbacks.

    Wonder what it will cost to get it working???
    Better them than me!!
    avatar
    hl98


    Posts : 1
    Join date : 2016-11-23

    Dynaco stereo 70 series 2 - Page 2 Empty Re: Dynaco stereo 70 series 2

    Post by hl98 Wed Nov 23, 2016 11:48 am

    Hi. Just came across your posting, the cost was less than a dollar! I had to replace the shorted C27 390pf cap and the charred 47 ohm resistor.
    avatar
    doncrossman


    Posts : 4
    Join date : 2017-01-30
    Location : Alberta Canada

    Dynaco stereo 70 series 2 - Page 2 Empty Re: Dynaco stereo 70 series 2

    Post by doncrossman Tue Jan 31, 2017 12:26 am

    I have a st70 series 2 also that i just picked up.
    the board is nasty looking as it's had problems
    the bias leds aren't working
    1 bias set screw has broke of and another pot added in that place
    it works , but i would like to put it back to normal and ad some of these new mods to keep it from burning up .
    is there anyone making the boards for these ?
    does anyone have a board from one and willing to sell it ?
    Roy Mottram
    Roy Mottram
    Admin


    Posts : 1839
    Join date : 2008-11-30

    Dynaco stereo 70 series 2 - Page 2 Empty Re: Dynaco stereo 70 series 2

    Post by Roy Mottram Tue Jan 31, 2017 12:15 pm

    I'm not aware of anyone other than Dynaco (Panor) that EVER made any boards for the series2.
    LEDs and trim pots are cheap, but using some finesse putting them in an old board may require some expertise.

    Sponsored content


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