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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


    PAS2 tone control bypass

    billinrio
    billinrio

    Posts : 104
    Join date : 2018-01-03

    PAS2 tone control bypass Empty PAS2 tone control bypass

    Post by billinrio on Wed Jul 01, 2020 11:23 am

    I was never satisfied with the tone control performance of my PAS2. On my system it did little for the high frequencies and
    made the lower ones tubby.  Therefore, I always left them "flat".  But since it isn't a PAS3x the controls were never really out of
    the circuit. So, I decided to remove them.  Of the various instructions that I found online, I decided to go with the Audio Regenesis mod, since it
    includes using 1µF caps in order to prevent DC voltage at the outputs.  I just finished the procedure and I'm stunned by the improvement.
    in clarity and imaging. Moreover, both trebel and bass reproduction are greatly improved. It's as if a veil has been removed from in front of the speakers. This mod is truly a no-brainer.

    10-E-C likes this post

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    buchela

    Posts : 67
    Join date : 2011-03-09

    PAS2 tone control bypass Empty Re: PAS2 tone control bypass

    Post by buchela on Thu Jul 02, 2020 12:15 am

    Good post, but the pictures kinda hard to see.

    billinrio likes this post

    billinrio
    billinrio

    Posts : 104
    Join date : 2018-01-03

    PAS2 tone control bypass Empty Re: PAS2 tone control bypass

    Post by billinrio on Thu Jul 02, 2020 6:54 pm

    buchela wrote:Good post, but the pictures kinda hard to see.

    You would have to look REALLY hard Wink I moved the post to the correct forum.

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    PAS2 tone control bypass Empty Re: PAS2 tone control bypass

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