130.76.32.182
In Reply to: RE: Active crossover with 48dB slope capability? posted by hemholtz on October 26, 2009 at 12:55:46
If you have a users manual I'd be interested in seeing it. They don't have them online.
Driver phase delay adjustment for a planar speaker seems pretty pointless.
There is commercial software (MLSSA) that allows a pseudo measurement of anechoic characteristics using gated response measurements and FFT algorithms. One could use this data to then apply digital filtering to correct the direct response for one point in space. The DEQX is likely using some variation of this approach. The ability to gate low frequencies signals is pretty limited (wave length vs. reflection), so this technique usually falls apart below 500 Hz or so depending on the room size, etc.
There are no free lunches however, all the EQ that is used also modifies the phase relationships and the impulse responses.
It sounds like your pleased with final result of this product, which is great.
respectfully,
Jim
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