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portapro

  1. Bill-P
    Thread

    I'm back! Plus Koss Porta Pro...

    Back! And I promised folks I'd post things, so here's the 1st thing on my mind right now: Koss Porta Pro dynamat mod: 1. Rip off foam/ear pads...
    Thread by: Bill-P, Jan 21, 2017, 27 replies, in forum: Modifications and Tweaks
  2. ultrabike
    Thread

    Koss Porta Pro

    These headphones need no introduction. They are among the best headphones for the buck one can find. One could argue the KSC75s are a better...
    Thread by: ultrabike, Sep 14, 2016, 126 replies, in forum: Headphone Measurements
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