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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 PAS-3 with overkill power supply - photo

    Bob Latino
    Bob Latino
    Admin


    Posts : 3263
    Join date : 2008-11-26
    Location : Massachusetts

    Dynaco PAS-3 with overkill power supply - photo    Empty Dynaco PAS-3 with overkill power supply - photo

    Post by Bob Latino Wed Aug 14, 2013 7:03 pm

    Dynaco PAS-3 with overkill power supply - photo    EbayPAS-3_zpsaa54f5fb


    Someone alerted me to this "Bubbed up" Dynaco PAS-3 with a humungous power supply. No bass, treble, blend or balance controls on this one - no room. Ten 150 uF @ 330 volt power caps. I can't tell if they are alone (1500 uF @ 330 volts) or wired in series pairs (750 uF @ 660 volts). No tube rectifier - must be solid state rectification. Hey, let's cover up the tube rectifier socket with a piece of tape. We don't want this (now) unused tube socket to get any dust in the socket pins .. The quad cap is still there but may or may not be part of the circuit ? Check out those humpty dumpty doubled up resistors in series on the phono board ...

    I love seeing custom Dynaco gear or tasteful rebuilds but stuff like this makes my stomach turn. Hey, Lets pair this PAS-3 PREAMP up with the most "Bubbed up" ST-70 AMP on record as seen below. What a pair ... lol! "Honey, keep the fire extinguisher handy .. I'm gonna fire these puppies up !"

    Bob


    Dynaco PAS-3 with overkill power supply - photo    GSIboardabortion
    Roy Mottram
    Roy Mottram
    Admin


    Posts : 1837
    Join date : 2008-11-30

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    Post by Roy Mottram Thu Aug 15, 2013 11:21 am

    I'll bet this works ALOT better ! Very Happy 

    Dynaco PAS-3 with overkill power supply - photo    Up45s
    arledgsc
    arledgsc


    Posts : 496
    Join date : 2012-11-30
    Age : 70
    Location : Santa Rosa CA

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    Post by arledgsc Thu Aug 15, 2013 4:14 pm

    Yikes!  cyclops

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