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Everything posted by lkong

  1. Well, the current state of Okto Research DAC8PRO: Firmware is broken for linux. That's disappointing.
  2. Got my Okto research DAC8 delivered this week. I will setup my full range and two channel subs with it. Bye bye analog crossover.
  3. Got my board! Thanks for the extra PS board.
  4. Working on build a water cooling Uberamp. Snatched a cold plate off ebay. I'm looking for advice to mount the transistors. I dont think I should drill and tap into the cold plate. So I have 2 option: 1: 1/8 by 1 copper plates drilled to mount on the cold plate and sandwich the transistors in between. -----copper plate------- -----transistors---------- -----cold plate----------- 2: mount copper plates directly on the cold plate, drill mounting holes on the copper plates, counterbore the back side (the face contacting the cold plate). -----transi
  5. lkong

    Speaker Porn

    I wonder if the bass will make the stands do tippy dance.
  6. Is it too late? Please sign me up for: 2x GRHVxxx1x GRLV79xx1x GRLV78xx1x Main Board 1x miniT2
  7. Unfortunately for me, I have to supply [email protected] L-Adapter looked promising but only go up to 20V. I've ordered Smooth Like Butter Single Rail. PCB+parts+shipping will cost around $100. Hope this solves my problem.
  8. Got my 24V assembled and running. I dont think it handles high current nicely. with 2A load @ 24v, I have about 1V drop at the output.
  9. lkong


    https://www.audiosciencereview.com/forum/index.php?threads/rolling-op-amps-in-gustard-h20-headphone-amplifier.7407/ Not sure if this test is comprehensive, it doesnt look too good for Sparko.
  10. Looking close to this: https://www.diyaudio.com/forums/group-buys/333844-ideal-bridge-rectifier-gb.html
  11. Got my Voron 2.1 printer somewhat put together. Voron2.1 - Imgur.mp4
  12. What worries me is what caused it, I simply tested the amp with 1k sine wave. I hope it's just the input jfet.
  13. I think I let the magic smoke out by swapping into JFET input. Now the amp functions normally with input on + and G input, but not - and G. Should I worry about anything else than the J109? (another pair of J109 and K389 worked perfectly)
  14. Is there a high pass/low pass between electrostatic and dynamic? Or they are wired in parallel.
  15. I'm intrigued, I wonder if it would be a good entry level turntable?
  16. I think somewhere in this thread said 100k
  17. Had common.net installed one of these on my roof. Now I'm part of wireless mesh.
  18. If I were to replace input BJTs with JFETs(toshiba or linear), what IDSS range should I aim for?
  19. Are those holes drilled by a shotgun?
  20. I need to make/buy some very short and soft (5-10cm) USB cables. Any suggestions?
  21. All in those two google drives: https://drive.google.com/drive/folders/0B7egryukiT7_TFlEQlBRejdVdDQ https://drive.google.com/drive/folders/0B_iJFfZStuVhSE5nOHBVdTByR1k
  22. lkong

    Speaker Porn

    Were you on Reddit too? Saw this earlier from Reddit.
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