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Kerry

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Posts posted by Kerry

  2. What Are You Building Today

    in Do It Yourself

    Posted · Edited by Kerry

    Remarkably, most of the components survived. The current regulator, U1, was vaporized along with the set resistors. The main fire was from the bottom through hole resistor. 

    Next step, Poubelle!

    After that, I’m putting in a more robust current regulator. 

    • Like 2

  8. DIY mini T2 Build Thread

    in Do It Yourself

    Posted

    2 hours ago, jamesmking said:

    I'm running + and - 15v, 6922 and el34 from the same transformer all heaters are AC. As long as the insulation on the windings can handle the 400V between el34 and the other windings its fine.

    That's similar to the DIY T2 and works just fine.

  9. DIY mini T2 Build Thread

    in Do It Yourself

    Posted

    2 hours ago, JoaMat said:

    I haven’t removed “current limiter” resistor – here I use 15R/3W – just removed the 2n3904 transistor.

    I agree with this. The transistor does not provide protection against shorts, so I remove it as well and use the 15R resistor.  When I feel it necessary, I use an external current regulator. 

  18. The ultimate DIY? A Stax SRM-T2!

    in Do It Yourself

    Posted · Edited by Kerry

    The pins are from Mill-Max:

    0995-0-00-15-00-00-03-0 and 6857-0-15-15-47-27-10-0

    The Mill-Max site has a decent configurator for pins and quite a lot of options.

    You might also consider these:  3114-2-00-15-00-00-08-0

    I use them with standard dip sockets.

     This is my delay module

    E545C039-B361-4F59-ACBE-93BBD04D280F.thumb.jpeg.d3eba28b36454ee22c34cdcd7d58e48e.jpeg
    FDCEB2B8-073A-417F-BF7E-9EDAB6F741E8.thumb.jpeg.0a8824195ef8210dc90b80ee17923382.jpeg

     

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