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Subwoofers masking other frequencies.

Bought a third sub,a svs sb2000 to add to my existing 2 subs hoping for stronger and more detailed bass response. My mains are magnapan 1.7i driven by parasound A21 +. After messing around with  different ways to intergrate the subs I realized some parts of the music was missing or reduced in volume or one channel was stronger .well I turned off one sub at a time and the sound was full. Is this common and what's the remedy for this phenomenon. 
Thanks 




audiomaze
needfreestuff's avatar
needfreestuff
572 posts
 
This is about the phase control you know you’re in phase when all your speakers are moving in and out exactly at the same time.To do this you simply move the phase knob from 0 to 180 until You achieve the loudest sound then you are in phase. Hope this helps.Best of luck
audiokinesis
2,738 posts
 
While it's true that you'll get the loudest sound in the crossover region when the sub is "in phase" with the main speakers, that may not be what sounds best.  IF one of the issues is too much contribution from the sub in and above the crossover region, then partial cancellation may actually sound better, which is why I said that "when it sounds right it IS right".   

Duke
mac742
10 posts
 
Audiomaze - what are your existing two subs?   Also, are you using an SB-2000 or the newer SB-2000 Pro?
needfreestuff's avatar
needfreestuff
572 posts
 
Audiokinesis While It’s true when it’s right it’s right. I believe once you get your speakers in phase then you need to readjust the gain on your sub and perhaps change the crossover point.I wouldn’t want my speakers out of phase. Just trying to help Duke not trying to argue.Warmest Regards
audiomaze OP
128 posts
 
My existing two subs are Klipsch rsw10 and Sony 8"both are ported. I have  the SVS and the klipsch hooked up and sounding pretty good. 
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