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  1. J

    Completed JohnH Attenuators?

    Just finished an 100W version of the M2v. The box was formed from two 1/4" aluminum plates for the top and bottom, two 1/8" aluminum 'U' channels for the front and back, and two 1/8" aluminum 'L' pieces for the sides. Overall dimensions are 8" W x 8" D x 3.5" H. Bronze screen is behind the...
  2. J

    Completed JohnH Attenuators?

    Thanks @Barnsley Boy . I created the enclosure from pieces of L shaped aluminum (Online Metals). The heat sink and switches are from Parts Express. Lots of drilling and tapping for M3 screws to put it all together.
  3. J

    Completed JohnH Attenuators?

    M2, 100 watt. Same construction as the 50 watt in post #27 but with two heat sinks and 4” sides instead of 3” sides. That big silver thing is the large wattage resistor.
  4. J

    Completed JohnH Attenuators?

    My first attenuator, M2, 50 watt. U
  5. J

    CASTLE MAGIC Super Lead 'West Coast' Replica

    Very nice build. What is/why the red on the solder joints?
  6. J

    Simple Attenuators - Design And Testing

    Hi John, In my search for a DIY attenuator I came to this thread somewhere around page 82. Reading it completely, it looked perfect to build. I've just finished an M2 version and it works well - maintains tone with attenuation with my Tweed Deluxe and varients. The case is made around a heatsink...

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