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kevin gilmore

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Everything posted by kevin gilmore

  1. gfi outlets will not work without a real ground. they work by measuring differential current.
  2. that depends on whether the output is true balanced or ground referenced. true balanced may cause interesting dc level issues releated to common mode.
  3. should work from +/-400 to +/-550
  4. if your water pipes are copper, they are usable as a ground.
  5. reduce the gain of the amplifier by lowering the feedback resistors
  6. for a 10k pot, the series resistors should be 10k, and then calculate the other resistor for the attenuation you need
  7. buy the neutrik xlr-male to xlr-female adapters and pick your attenuation and use either 3 or 4 resistors depending on whether the dac is really balanced or not. http://www.mouser.com/ProductDetail/Neutrik/NA3FM/?qs=sGAEpiMZZMv0W4pxf2HiV9y0EyfHsAgRI%2fcUCPoRaKI%3d
  8. Which is insanely high, but lots of dac's are doing that these days. You need a 10db balanced pad on the input.
  9. icarium has one of my cases
  10. yep that is the one.
  11. suggest you buy the transistor tester meter on ebay, cheap and the best way to test them before you stuff them in the boards and then find out they are not real.
  12. those are vertical mount resistors to keep the board size down
  13. http://gilmore.chem.northwestern.edu/megatron.pdf
  14. actually use a 12V car battery. you will find the shorts very quickly
  15. i have a few left
  16. typically you cannot get it to zero on both sides. But if you can, it should be stable
  17. not only is that plug a piece of shit, its the wrong dimensions and will crack a real stax female socket.
  18. singlepower would have used super glue. just like he did on all of those blackgate caps
  19. i went back to the pictures to make sure all of the parts on heatsinks in the original are on the common heatsink bar in the diy-T2 there are 2sc3675's with no heatsinks in the original, and they are that way on the diy-T2
  20. So i can certainly make some of those, and out of the metal that turns superconducting at LN2 temperatures. Put over a rare earth magnet, and they will spin for a very long time.
  21. you do realize that giving me idea's like this is only going to cause trouble
  22. very sweet now you need a 2 color power switch warming is one color, on is a different color (from joamat's T2 boards)
  23. pass labs clone chassis. nice until you have to put the jack and knob on the front panel
  24. not supposed to tap the heatsink. drill it the right size. transistors and screws and washer from the top, transistor, thermal washer,heatsink,circuit board,washer,nut
  25. 3 hours total 6 shots of various vodka's (new kickass Russian/French restaurant with 50 different vodka's) http://dekarestaurant.com/ and after generating the netlist, its still correct. scary The nice thing is this way you can drive all 32 relays at the same exact time. but unless you can calculate relay position, a lookup table is necessary board file posted, needs checking
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