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  1. Replies
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    Back to the EL84 amp. GMX - GMX kit. MV -...

    Back to the EL84 amp.


    GMX - GMX kit.
    MV - master volume.
    TUP - Triode/UltraLiner/Pentode
    Cat - cathode/Fixed

    25740
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    Update. Here is a pic of the front of the 3...

    Update.

    Here is a pic of the front of the 3 channel pre-amp.
    25729

    I ran into the issue of adding another fuse on the secondary. Ended up putting the transformer below in a doggy bowl.
    25731...
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    It sounds absolutely fantasic:thumbsup: Slooowly...

    It sounds absolutely fantasic:thumbsup:
    Slooowly working on the power amp. My current set up is using the GT Dual 75 using KT88 for the Power.
    I don't have clips but,
    The clean channel is suppose...
  4. Replies
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    Finished the pre-amp. :thumbsup: Finally. ...

    Finished the pre-amp. :thumbsup: Finally.

    There are some unfinished side projects that go with the pre-amp, but no need at the moment.
    Inside it looks like this
    16433

    Many of things I have...
  5. Replies
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    Here are some updates. I went to a larger...

    Here are some updates.


    I went to a larger chassis. Much easier to work with and plenty of space.

    Next I went to the PSU voltage regulated heater and source.
    And finally started almost from...
  6. Replies
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    2 steps forward, 1 step back. When I have free...

    2 steps forward, 1 step back.

    When I have free time, and the summer didn't give me much, I worked on it.
    I was consumed by other projects. The FishFive mic preamp and the 2 Nady 1050 mic...
  7. Replies
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    No new pics. Ask Kevin about the kits. Don't...

    No new pics.

    Ask Kevin about the kits. Don't worry he won't bite.
  8. Replies
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    I found the problem, but not sure the exact cause...

    I found the problem, but not sure the exact cause of it. This problem happens when I turn on the fan, so it can't be the pre-amp. Electromagnetic waves and/or grounding in my home must be the root...
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    I moved away from the big toroidal PT to the...

    I moved away from the big toroidal PT to the PSU-PRE that uses a "semi-toroidal" design. http://www.hammondmfg.com/229.htm
    The switch mostly did with curiosity and space issues in the mouser rack...
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    Hi all Been busy doing other things and spent...

    Hi all
    Been busy doing other things and spent some time working on amp.
    Here is my update.
    http://mysite.verizon.net/res14plg1/pa/AmpWorking.jpg

    I have it working, which is good. But there are...
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    I have started a new thread. Not exactly the...

    I have started a new thread. Not exactly the Standard you have but a KOC non-the-less
    London Power Pre-Amp
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    London Power Pre-Amp

    Hi all.

    My name is Peter and I am new to the site. I am not exactly sure how I stumbled on to this site, but I know it had to do with KOC and his London Power/TUT stuff. Here is the link I found...
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