AVS Forum Special Member
Join Date: Jul 2011
Location: Lone Wolf McQuade from Islamabad Pakistan
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If you have a subwoofer in your system, spending on external amps is a waste of money. Know that your sub is an extension of your speakers and it must pick up from where they roll off. Toss the specs in the bin; the stated -3dB point of speakers are governed by your room acoustics.
It takes far less power from the avr to push a 200Hz frequency than it does for 60Hz signal. For your speakers, I wouldn't cross them at anything below 100Hz and would rather let the sub take over from there.
I'm not saying you cannot use external amplifier on your speakers; but (specifically in your case) bass will be best produced by the SVS you have. Bass frequencies are very power hungry; a dedicated powered sub coupled with large driver is more at home to play those with authority. Bass is only about movement of air and that too lots and lots of it.
5-6" drivers on your sats stacked against a 12" driver for bass duties....I leave the winner for you to decide.
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Main System: PSB X2T, PSB XC, PSB XB, Cambridge Audio Azur 751R, Rythmik FV15HP, PSB S500