so i recently got a pair of Behringer HPS3000's off a guy selling all his old studio gear. not sure how old they are, but they're in good condition (externally, at least). the issue is this: when plugged into an old (late 80's) 16 channel powered mixer (from the same guy), the sound is really weak. the bass is usually fine, but the mids are super faint, and the highs way too loud. when i plug my other headphones in (that have always worked fine), the sound is normal. i tested the Behringer's on some other devices to see what was up - my synthesizer produced really faint sound, but the 2 channel Behringer mixer i have sounded fine. this made me think that it was a problem of not enough power going to the headphones, since it also sounded fine when plugged into a home theater amp (late 80's as well). i finally found my 1/4''-1/8'' adapter so i could try it on my MBP, and the sound was really faint again, the highs were cracking and the sound was "pixelated" almost. it sounded really dirty. so i messed with the settings in the system prefs, and when i pan the left or right, everything sounds normal, and sound comes out of both sides, regardless of whatever side the sound is panned to. when panned center, it sounds like crap.
what gives?
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