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justin

Manufacturer/MoT
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Everything posted by justin

  1. That makes it really easy to re-terminate the plug for 'balanced'. ^ head-fi cable makers
  2. know what is way better on a stationary bike? competing against other stationary bikers online in a biking video game
  3. Headphone maker: KOSS in the news today - Head-Fi: Covering Headphones, Earphones and Portable Audio Very informative. I'm going to need a Top 10 Frauds comparison review before I can have an opinion on this.
  4. RMS = peak / sqrt(2) RMS = peak to peak / 2*sqrt(2)
  5. p2p/ 2*sqrt(2)
  6. rms voltage = peak to peak / 2.82
  7. The GS-1 and GS-X will continue solely because I still have plenty of parts that I've invested in. If I were about to sell out of them like with the Gilmore Lite, then they'd likely be discontinued until I thought spending the time bringing them back or redesigning them was more worth it than working on a portable amp or DAC. Right now I'm working on getting all of the GS-1 and GS-X boards I have professionally soldered and the supply of them is somewhere between a few months and a couple years, depending on what demand is when they go "In Stock".
  8. Why? There's no voltage option for 100V
  9. This is a modified version of KG's amp. Someone changed the output stage of the amp on HeadWize several years ago, said it was better, and since then it's appeared on every DIY version. The Gilmore Lite is about to be sold out anyway. on today's Head-Fi? They're about 6 years too late.
  10. I hired 2 guys from a local restaurant i was just at and made an offer to motivate them to do this now. Now its done and I'm no longer a prisoner. That was some good shoveling.
  11. Win
  12. made "progress". the snow on top the car is about 1/2 the snowfall. i got it cleared off once last night to try and keep up with it (fail). now i'm looking to get it out of there and into a parking garage or there will be pico slim delays
  13. thinking about how to get my car unstuck from the street. i don't have a shovel. i may just have to attack it like an animal
  14. about 16" here and about 12 hours to go...
  15. Oh, and Mouser does have a 30 day return policy.
  16. A cached page from 12/3 showed 73 in stock. But that was the cable connector. There are 868 of the PCB jack available.
  17. You also increase the noise floor, and the volume control becomes more of an issue as attenuation is decreased. As for improving control over the drivers a start would be to get away from using rail splitters as the ground. I could see it in DACs where the output of the quality DAC chips is already balanced and then currently it has to be converted to single ended. Remove that stage and connect the headphones balanced.
  18. i don't think that's about money
  19. but that's not the standard connector! TRRS is the best idea, and retard proof it. not exactly the engineering problem of the century. I'm assuming that connector comes in a straight version as well, but if all the cables are going to be made with the R/A connector, then every amp made will have to be designed so that the non-rotating cable does not interfere with other switches/connectors/volume
  20. jamato may be implying that part of the choice of that connector is to intentionally block the use of the standard 3.5mm jack
  21. a small lemo connector could be done nicely, but they're not cheap
  22. well basically, just replace the op-amp in the Pico Slim with one of those chips that has differential outputs. ta-da, balanced output. battery life could even be increased depending on the performance/current draw of that chip. doing balanced input + output would require doing a bit more and probably would be around 50% battery life
  23. Well if that is the connector it would have to be about 50% less Slim.
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