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justin

Manufacturer/MoT
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justin last won the day on December 23 2017

justin had the most liked content!

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About justin

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    Member of the Trade: HeadAmp
  • Birthday 06/27/1983

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    http://www.headamp.com

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    www.headamp.com
  1. Happy Birthday EdWood!

    happy birthday!
  2. Part Sourcing Assistance/Advice Thread

    i have, once..not fun otherwise, wait for them to show up for $100 on ebay
  3. The Return Of The Legend

    i found an old WE ad from 1916 and it calls electrical outlets "lamp sockets". i realized that i've even heard people use that term in my lifetime, but maybe not since early 90s
  4. The Return Of The Legend

    i've looked into having a custom tube made, might do it someday, maybe, probably not... the part where it got expensive was that if you're going to sell an elite tube, you have to cherry pick the best ones i would guess that with inflation the original price is probably around $300 per tube
  5. Sennheiser HD 820 closed-back flagship

    one of my professors showed us some gel like material they had made for space. forget what it was called. it looked like acrylic but was kinda squishy and weighed less than styrofoam. lets use that
  6. Sennheiser HD 820 closed-back flagship

    I plan to replace mine with panda skin
  7. KG Balanced Dynahi build discussion thread

    around +/- 40-50mV in the dynalo
  8. KG Balanced Dynahi build discussion thread

    my experience is, maybe, so i would experiment before soldering. depending on your brand of LEDs, causing an intentional mismatch in those can also make up some of the difference -- up to about 50mV with ones i've used. also, it's going to vary depending on transistors used and exactly which amp, but sometimes a perfectly matched amp is not 0mV offset, it's really like -30mV (depending on your gain) due to differences in pnp/npn parts. so this could be why sometimes a slight mismatch actually gives a better result.
  9. has to be dual 3-pin XLR to use the combo TRS jacks for balanced
  10. Part Sourcing Assistance/Advice Thread

    2sa1201 / 2sc2881 is what i use..you could probably stand them up in TO-92 holes just watch the power
  11. Looks like Justin made Fox News

    my phone (tapatalk) just said "Justin made Fox News is Trending". At first i got really worried and tried to think if I had done something. Eventually found the thread, didn't know about this
  12. KG Balanced Dynahi build discussion thread

    did you pick those at random or match N to P?
  13. Happy Birthday JP!

    happy birthday #!
  14. KG Balanced Dynahi build discussion thread

    yes and yes. though i'm not setup right now to match the N pairs to the P pairs plus it's better to do that specifically for the circuit you intend to use unless you can match them perfectly on a curve tracer
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