The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Dynaco VTA tube amp kits, all Tubes4hifi.com products and all Dynakitparts.com products


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    evoroadster

    Posts : 39
    Join date : 2015-06-16
    Age : 66
    Location : Honolulu, Hawaii

    New member

    Post by evoroadster on Tue Jun 23, 2015 1:22 am

    I recently joined the group and Phil Lefever was kind enough to send me a welcoming email. Below is my response to him and I feel I should present it to all members as a way of introducing myself:

    I am new to tube amps and want to build/restore my own versus just buying one. The SCA-35 is considered to be an outstanding unit that is relatively simple in design and construction as well as having a very large parts support network. I have a original chassis minus the xformers, tubes and faceplate that I will build back up using new parts. I plan on using Dave’s EFB power supply board as well as modifying the unit to accept 6U8A tubes instead of 7199s. If you have any other suggestions please feel free to let me know.

    All suggestions or comments are welcome.

    Daniel (evoroadster)
    Honolulu, HI

    peterh

    Posts : 642
    Join date : 2012-12-25
    Location : gothenburg, sweden

    Re: New member

    Post by peterh on Tue Jun 23, 2015 10:17 am

    Welcome !
    The mod for 6u8 is cutting/moving 3 connections
    Two of the many descriptions :
    http://www.audioasylum.com/forums/vintage/messages/17/172474.html
    http://www.thetubestore.com/lib/thetubestore/6U8A-7199.pdf
    6GH8 has the same pinout as 6u8

    evoroadster

    Posts : 39
    Join date : 2015-06-16
    Age : 66
    Location : Honolulu, Hawaii

    Re: New member

    Post by evoroadster on Thu Jun 25, 2015 9:07 pm

    Thanks for the info and welcome.

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