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How can a subwoofer expand the soundstage?

I have recently added a Rel Storm III to my two channel system (Essence Sapphire amp, modded Essence Reference Super Gems, Arcam FMJ 23T CD, SOTA Sapphire TT, Benz Glider, Audible Illusions Preamp). I immediately noticed an improvement in imaging and depth of the sound stage at all frequencies. The REL manual specifically mentions these benefits. Can someone please explain how adding a driver that's designed to play at lower frequencies can have this kind of impact? I will NEVER take the REL out of my system.
rockyboy

Showing 2 responses by psacanli

psacanli
535 posts
 
Stanwall, I am vey surprised to hear the subwoofer manufacturer recommends running the main speaker.
My understanding is there are tremendous benefits to be had by crossing over somewhere around or under 100Hz to a powered sub, even on quite good fairly 'full range' speaker.
Perhaps others can comment.
psacanli
535 posts
 
Well said Horacio. Being passive of course REL must advise running the main speakers full range. I'd withdraw my previous post if I could, it's not relevant here.
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