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GeorgeP

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About GeorgeP

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    The Big Smoke

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

    You don't need any shielding. I have made umbilicals with and without, including bundling the heaters separately and could detect no difference.
  2. Repairs

    If I were you I would send my Omega to this outfit. I have never heard anything negative about them. That, and maybe read your welcome pm.
  3. Power switch recommendation

    It is 12v, and what is the 500v for?
  4. The Headcase Stax thread

    Am surprised he actually posted these pictures instead of falling into a deep depression after realizing he paid thousands for it...
  5. The ultimate DIY? A Stax SRM-T2!

    The original was made by Hitachi. Renesas is the good. Not sure of any differences, but I suspect if you are seeing this "readily available" its because fakes are readily available.
  6. The Headcase Stax thread

    I thought the bright yellow rubber bands did a wonderful job of bringing out the highlights in his eyes. Not sure he needs to improve upon it any further.
  7. KGSSHV Carbon Build Thread

    ^this, given some of the generous amounts of solder used in other areas shown in the pics. The excess solder sits on the trace and the mask eventually breaks down...
  8. What are you listening to Part the Third

    Oddly, wasn't interested in Tom Waits until I heard Black Rider in the early 90s - its the soundtrack from some German (I think) theatrical production - not his best, but my favourite.
  9. No significant advantage, and onboard LV is certainly simpler.
  10. grounded grid

    Don't think you are using the opto servo - you only have the one jumper engaged next to the op27 socket. So this would explain your higher starting voltage I think.
  11. Happy birthday, Kerry!

    Happy Birthday, Kerry!
  12. KGSSHV Carbon Build Thread

    So answering my own question - there are no other considerations, and it works like a charm. Regarding the off-board PSU PCBs, for anyone interested the errors are shown in the pics (also, various values have changed, but the circuit is the same):
  13. KGSSHV Carbon Build Thread

    Other quick question. Was going to use 2 +400 PSU boards (cap off-board version), making one to output -400. From what I can tell looking at the schematic, all that I need to do is output one of the +400 boards to ground to get -400 out of the ground terminal. Don't think there are any other considerations to keep in mind. Using a GRLV and separate bias board as well. And as an aside, there are two errors in the cap off-board psu - will post a picture later on.
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