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  1. GRUMPYOLDGUY

    ALO SXC8 IEM Cable

    Is anyone using one of these cables with their IEMs? Any reports about (dis)comfort with the wire around the ear? How does it fit? Sent from my E5803 using a highly trained, special forces carrier pigeon
  2. GRUMPYOLDGUY

    External ADC

    Anyone know of a good USB capture device?   I want to plumb in some line level audio through a stereo TRS connector and import the ADC data into matlab. Reference quality front-end... that is absolutely flat frequency response, extremely low noise floor, minimum distortion. I would prefer the...
  3. GRUMPYOLDGUY

    Measuring audio on test equipment

    I'm a little tired of incomplete or out-of-context measurements and specifications from manufacturers... I have access to a lot of test equipment and I was trying to think of a way to take measurements on them of some of my audio gear. The test equipment I have is mostly 20 or 40GHz stuff, but...
  4. GRUMPYOLDGUY

    AudioQuest Jitterbug Efficacy

    Does anyone know of any documented experiments that show reduced BER on USB transactions in high EMI environments or deliberately induced noise where signal integrity was substantially impacted? Are there any alternative products (aside from a properly built, shielded USB cable) that have been...
  5. GRUMPYOLDGUY

    CIEM recommendations?

    I'm looking around for a set of CIEMs.   I'm currently using the SE846 and noticing that the bass response colors the mid range a bit in a way that I don't particularly care for. Tried swapping out the filters... the treble with the white filters are too harsh, and the black filters exacerbate...
  6. GRUMPYOLDGUY

    VSWR and distortion

    Apologies, I wanted to post this in the sound science forum, but I guess I'm not allowed to post there... So here it is: Admittedly, I'm a bit uneducated when it comes to the analog side of things. I'm curious as to why I never see much discussion about impedance matching... Can reflected...
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