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kevin gilmore

High Rollers
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Everything posted by kevin gilmore

  1. if its the group buy here is the pdf of the board layout http://gilmore.chem.northwestern.edu/kgst-miniv03.pdf at least on my printer, it prints exactly the correct size. if you want to measure instead, I can give you the hole distances from any corner.
  2. I think that more people knew how to fix this. but it would be so much easier to ohm out the other end of the cable.
  3. I think that the 5 wires coming out of one side, knowing that one of them has to be safety ground should give you a real big hint as to how to fix them. But dumping in the garbage where they belong and getting a decent set of headphones is an infinitely better idea.
  4. all of mikhail's monster cases (es2,ss1,sds xlr etc) have real problems. and of course the rest of his chassis are trouble too. #4-40 holes tapped to shallow in the .25 inch thick sides, causing the screws to crack etc... plus the rusting screws... most of the time i put into the ss1 was on a mill and lathe using carbide bits to remove and fix the holes. not to pick on someone, but this http://www.head-fi.org/t/739437/fs-audio-technica-l3000s-singlepower-sds-xlr#post_10983524 i mean you gotta be kidding. I would not buy that amp if it was $500. maybe $250 with shipping. Just to put the guy out of his misery. (i know someone else that has one of these and wants to dump it) but really what can you do to the thing. In balanced mode its really only useful for very high impedance headphones, there is no phase splitter etc. A 60+ lb boat anchor.
  5. I have a singlepower quad step attenuator. Even more valuable than a pair of dual's And every bit as equally fucked. The solder job is typical Mikhail.
  6. there will be a kgsshv version of joamats power supply layout. my original T2 power supply had about 1.5 mv of noise, the kgsshv power supply is about 3 microvolts of noise.
  7. updated the board layout for c1815/mpsw06 http://gilmore.chem.northwestern.edu/boards/megatron.zip
  8. the pin spacing is right and you put the stn9360 vertical. first you straighten the pins. Same as the new T2 boards. works fine.
  9. updated power supply with the pnp's replaced with the stn9360 footprint in case you don't want to use the ksa1156 and 270v zener http://gilmore.chem.northwestern.edu/boards/kgsshvpsminifinalstn9360.zip
  10. all these board files updated with latest parts, changed batteries,mini heatsink etc joamat board files http://gilmore.chem.northwestern.edu/t2shrinkedv10.zip http://gilmore.chem.northwestern.edu/t2250.zip http://gilmore.chem.northwestern.edu/t2hv2.zip slightly shrunk board for lil-knight chassis http://gilmore.chem.northwestern.edu/t2shrink2.zip original board http://gilmore.chem.northwestern.edu/staxt2nc3fdh7.zip
  11. black and white ebony
  12. http://gilmore.chem.northwestern.edu/ksa5-13.jpg done (except I'm out of #4-40 nuts, one missing on power supply)
  13. new board is exactly the same size as the original board. 11.95 x 16 inches and fits the original case i made and all the pots are in the same place. The test points are in the same place. A couple of led's have moved slightly and a whole bunch of led's in the batterys are removed. not the slightly shrunk board for lil-knight case which was 11.95 x 15.65 inches thru the miracle of cut and paste, this version is almost complete, just need to do the heatsinks in the middle. joamat's amp board is 9.35 x 12.02 inches
  14. none of the board mounting holes or pot locations have changed.
  15. full size layout modified and sent to joamat for checking original board with all the mods http://gilmore.chem.northwestern.edu/staxt26.jpg still needs the pot on the fqpf2145
  16. could go back to my original board and make all the changes to it, but I don't think anyone would be interested in that.
  17. like the flip the transistors back to back idea.
  18. you mean Q32, heatsinks added http://gilmore.chem.northwestern.edu/t2modified.jpg pot now in parallel with resistor, use one or the other. or pick a higher resistance and trim down. oh that R31. yeah 22k. but that and the center of the pot is now 10V
  19. Q23 is on the heatsink in all 4 places. I have edited all 3 boards to make all the horizontal resistors .6 inch waiting on more feedback before I post there is no 22k resistor http://gilmore.chem.northwestern.edu/t2schemmodified.pdf and the voltage is now 10v on the diff pair.
  20. one repository, some schematics there. one of these years I will clean it up. if people know of schematics that are current and need to be in the public place, let me know.
  21. joamats power supply boards are single sided and are 8 x 5.83 inches each so you would save about 1.2 inches. http://gilmore.chem.northwestern.edu/t2psnew1.jpg http://gilmore.chem.northwestern.edu/t2psnew2.jpg pretty sure the boards are done, someone please check this one carefully http://gilmore.chem.northwestern.edu/t2modified.jpg
  22. there is a verion of the power supply board that is 11.95 inch wide x 9.2 inch deep with all the electrolytics in there, just don't see a way to make it much smaller. joamat's may be slightly smaller, and 2 boards might be easier to build.
  23. Its back up. So... critical updates forced the machine to reboot. At which time the machine determined that the cmos battery was low, and stopped. Have new battery, will install Monday.
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