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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: Is there an optimal frequency to set the LP/HP XO between subs and Maggie bass panels? posted by andyr on August 24, 2016 at 19:28:51:
It's trial and error time.
Despite spending a couple of hundred hours playing around with this using different XO settings, DSP EQ, and changing room absorption then measuring with REW, there is no simple answer. If you're taking your measurements from the listening position, every room and set-up will be different.
In my room, I found a smoother frequency response over a range of 40-250 Hz with somewhat higher XO frequency setting in the 80-90Hz range before applying DSP. 40-60 Hz XO settings looked more ragged over that range. No luck at all with 12dB/octave slopes but that doesn't mean you shouldn't try them (and flip phase/speaker connections too). I wouldn't go too much higher than 80Hz because bass sounds start to become directional above that level.
I didn't choose to run the mains full range because I wanted to take some of the bass load off the panels for less distortion.
I over-EQ'd the frequency response (DSP on subs only) to get it flat which screwed up the group (phase) delay (mine's over 50 ms at 60 Hz)because I wasn't looking at it. You may not have that problem, but I'd check it and listen.
Also, note that EQing the listening position can make the bass annoyingly more boomy in other parts of the room.
Oh, my flattest frequency response obtained by changing absorption did not sound the best due to too much reflected sound. As you guessed, measurements don't allow you to skip listening.
Sorry I can't be more helpful. Have fun and good luck!
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Follow Ups
- RE: Is there an optimal frequency to set the LP/HP XO between subs and Maggie bass panels? - Barry 08/25/1611:35:41 08/25/16 (0)
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