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Showing content with the highest reputation on 06/21/13 in Posts

  1. Packed mah bag. Heading to the grand canyon tomorrow for 10 days. Not sure I will be able to fall asleep tonight - waaaaaaay excited
  2. Sounds like a new custom title to me.
  3. It would be for rail trail rides with the family. ... And genuinely looking awesome.
  4. Was thinking a carbon fork... full rigid.
  5. and super moon over the ocean isn't going to suck
  6. I do get everywhere, but since there's a conflict of interest, I'll let someone else answer.
  7. That was the thinking with the carbon HT 29er... super light SS.
  8. Jeremy Siepmann's Classics Explained version is fairly wonderful listening. Sent from mah phone-blet via Tapatalk
  9. Thumb shifters are for hippies. **BRENT**
  10. Zach, lots of mountain bikes around here as well. You just have to dig deeper. Mike, Brent (sort of), Colin, Chris, Juan, Ben, Justin, Ian, Nate and on and on. Skinny tires just get more coverage in this thread for some reason. I'll post my bike just to get some more MTB in the thread.
  11. Hoping to get a ride in today or tomorrow and checking out the Reston Grand Prix Sunday for a weekend full of bikes.
  12. I see alot of you guys are skinny tire riders, but here are my babies.
  13. This place is fucking awesome...
  14. Well, microphones (at least those not powered) deliver fairly low level signals. Any RF interference could be problematic. But the RF induced voltage/current into the mike cable would have the same polarity on both conductors. In other words the received radio signal is in-phase on both wires, or is in common-mode. If the mike is a balanced emitter of signal into a differential amp on the receiving end (or the primary of a transformer), then that differential amp input is only seeing the difference in voltage between the two conductors. The common-mode (in the same polarity on both conductors) RF signal is rejected by the differential input of the amp. (Common-mode rejection) So, mikes use blanced signal trasmition for is common-mode rejection capability to rid signal of induced noise on long cable runs. (Not only RF from radio, but RF from flourescent lights and refridgerator motors as well.) But with headphones, the high signal levels and low output impedance of the amp make developing an RF signal on the wire much less of a problem. Balanced is use on headphones so that you can rid yourself of cross-talk from the common ground with normal headphone wiring. Also because you have two amps slewing in opposite directions, you effectively double the slew rate of your electronics. Unfortunately, it also doubles the output impedance of the amp, so it lowers the damping factor. Lastly, it tends to cancel out some of the even order harmonic distortion products of the amp. To me that's why it's kind of stupid to build tube balanced amps that have amp stages for both + and - channels. But we're getting way off topic now.

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