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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    Bob, how's the new project coming along?

    cci1492
    cci1492


    Posts : 331
    Join date : 2016-05-09
    Age : 63
    Location : NJ

    Bob, how's the new project coming along? Empty Bob, how's the new project coming along?

    Post by cci1492 Thu Apr 01, 2021 1:07 pm

    Any updates to this beast?

    Bob, how's the new project coming along? LirpaLoofM-500

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    Bob Latino
    Bob Latino
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    Location : Massachusetts

    Bob, how's the new project coming along? Empty Re: Bob, how's the new project coming along?

    Post by Bob Latino Thu Apr 01, 2021 4:16 pm

    LOL > That was our Lirpa Loof 500 watt prototype monoblock amp from about 2012. It just never worked out ..

    Maybe some of the viewers of this post could come up with some reasons why it never worked out ?

    Was it that each amp of the pair had to be on a separate AC line to provide enough AC power to run each amp ?

    Bob
    cci1492
    cci1492


    Posts : 331
    Join date : 2016-05-09
    Age : 63
    Location : NJ

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    Post by cci1492 Thu Apr 01, 2021 4:27 pm

    I think it needs another power transformer? Was that it?
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    buchela


    Posts : 79
    Join date : 2011-03-09

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    Post by buchela Fri Apr 02, 2021 12:02 am

    It does not respect the golden ratio. A ccording to Doctor Lirpa that must be maintained, in order to avoid chassis resonances affecting tubes due to the earth rotation. Metal chassis only, on clay chassis this does not apply

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    Post by Guest Fri Apr 02, 2021 6:46 am

    Might be a problem finding 18 perfectly matched output tubes.

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