In Reply to: RE: GPA 604-8H-III Build - Sneak Peak. posted by RC Daniel on June 24, 2012 at 01:29:19:
Each minor adjustment makes a significant improvement.
Over the weekend I removed the cheap variable resistor I had wired into the xo's woofer output to test-shelve it, and wired in a 3ohm fixed, moving the variable to the tweeter - and shelved that to about 1.5 ohm. Wow, the bass has snapped right in. So much richer and still very controlled.
But, that variable must be a real POS (Jaycar special) as the horn is quite a bit more veiled - a more balanced output, but not as transparent. It will be interesting to see whether or not that returns to previous when I replace it with a good fixed one.
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