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


    In case you were wondering. Dynaco covers.

    corndog71
    corndog71

    Posts : 704
    Join date : 2013-03-19
    Location : It can get windy here

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    Post by corndog71 on Mon Feb 11, 2019 10:09 am

    Tube amps have been around for over 80 years.  The vast majority never needed heat sinks.  Even when they were inside wooden box radios, TV consoles, or with perforated sheet metal cages around them.  

    Seriously.  Not needed.
    bbqjoe
    bbqjoe

    Posts : 96
    Join date : 2018-12-03

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    Post by bbqjoe on Mon Feb 11, 2019 10:16 am

    corndog71 wrote:Tube amps have been around for over 80 years.  The vast majority never needed heat sinks.  Even when they were inside wooden box radios, TV consoles, or with perforated sheet metal cages around them.  

    Seriously.  Not needed.

    10-4.
    Peter W.
    Peter W.

    Posts : 1372
    Join date : 2016-08-07
    Location : Melrose Park, PA

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    Post by Peter W. on Mon Feb 11, 2019 10:54 am

    corndog71 wrote:Tube amps have been around for over 80 years.  The vast majority never needed heat sinks.  Even when they were inside wooden box radios, TV consoles, or with perforated sheet metal cages around them.  

    Seriously.  Not needed.

    Fleming created a practical vacuum tube in 1904 used for amplification of small signals.
    The 200-family of vacuum tubes came about in 1924, and was used for actual speakers of the day, as well as rF amplification.

    So, properly, 115 years for the concept and initial application.
    95 years for widespread practical consumer/commercial applications.

    This year, my oldest radio officially becomes an "antique" achieving 100 years in age. Works, too.
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    vizsla23

    Posts : 29
    Join date : 2019-02-09

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    Post by vizsla23 on Thu Feb 14, 2019 9:10 pm

    bbqjoe wrote:Finally ordered and received my black Dynaco cover.

    Where did you order your all-black cover?

    EDIT: Nevermind. Back in stock at Dynakit!

    Sponsored content

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