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Everything posted by lkong

  1. Planning to use the amp to drive my Quad ESL 63. Somewhere there might be a pair of Magnepan 3.7 with my name on it, but that's down the road.
  2. 25amp draw that's for 4 boards or 2 boards? If it's 25amp for 2 boards, the 800W PS should do 2 boards nicely. If not there's always 2kW ones.
  3. Happy Birthday Kerry!
  4. I think congo5 used xicon, which you will have to bend the legs. That's fine for me. I believe the Uberamp drive board runs on +/- 40Vdc. It can certainly run on lower rails. It will be a two chassis solution in my case. I was inspired by Benchmark AHB2. Is it a good idea to use SMPS for the unreg power supply? Like this one: http://connexelectronic.com/product/smps800re/ +/- 50 for unreg, and GRLV drops it to +/- 40 for reg.
  5. Got my Uberamp boards. Here's my version of BOM if it helps anybody: https://docs.google.com/spreadsheets/d/1EIAvFJHqTJL5zzM43FIhz-wJhd_scJiClbLd24QNv9s/edit?usp=sharing Here are a few questions: 1 Power rating of the big .47 resistors. The best option for 10W seems to be this: https://www.mouser.com/ProductDetail/Xicon/280-CR10-047-RC?qs=sGAEpiMZZMtbXrIkmrvidMioh4DscLtBmqbN3KPTLlY%3d Although the lead space is shorter than the length of the resistor. There are a lot more options at 5W. 2 What's the 5k trim pot for? 3 How to wire it for balanced setup (2 boards per channel)? Also what are +/- reg drvier for?
  6. My guess is pressure = 压力 = 电压 = voltage? stable pressure = 稳压 = voltage regulation? So the whole thing translate to: I'm gonna be rude here, but you will have to give me the answer.
  7. I happened to know sosolar personally. Maybe a collaboration after this wave of MD shit show?
  8. https://www.massdrop.com/buy/massdrop-x-airist-audio-r-2r-dac/talk/2101227?utm_source=linkshare&referer=TYMJB2 On the left, sosolar's design since 2015, on the right "Massdrop Made" by Airist audio. That's a new low for Massdrop.
  9. Anywhere I can find Uberamp 2 board files? Or better spare boards.
  10. I would like to have 2 or 3 sets.
  11. Made a sleeve for 6mm shaft to use IBM typewrite ball as volume knob.
  12. I'm using a Monoprice/Duplicator D6 at home. For bigger and more detailed builds I can use objet and carbon from work. Having a 3d printer at home really helps with my procrastination problem. My builds always die during waiting for new parts.
  13. I paused my SS Dynalo project for almot 2 years because I'm too lazy to drill holes on the base plate, and moved cross country for a new job. Now I'm back, still dont want to drill holes, so I 3d printed adapter plates for everything.
  14. Diavelet as their class D amps? People seem to have polarized opinions on class D and ESL. For 1k budget, I can swing a pair of Hypex NC400. But I have no idea if that would be a good fit.
  15. Dear Quad gurus I'm looking to upgrade amplifiers for my Quad 63, preferably solid state. Budget is around $1000, new, used, and DIY kits anything goes. Suggestions?
  16. I think minidsp 4x10HD will be sufficient if not overkill in this case. Unfortunately being broke and living in the bay area I have to choose smaller subs.
  17. I've been toying the idea of using minidsp or hypex dclp to integrate a (pair) of sub into the system. E.g. http://www.rythmikaudio.com/GRci.html 12" OB baffle Any recommendations?
  18. Scored a pair from a local collector.
  19. Probably a really silly question: Can I use this amp as I/V stage for a DAC if integrated in one box?
  20. I tried a member's dynalo mk2 in San Jose meet today. I think it's neutral and well controlled and beats Nelson Pass headphone amp (which is shown side by side) easily.
  21. Bian said it would be more expensive than his BYD "Tang" which is an electronic vehicle with MSRP from 180k to 440k RMB (27k - 66k USD).
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