[2 15" cht-15 velodynes stacked vs. 1 rsw-15?]

I HAVE A ROOM THAT IS 24X20 AND HAVE PLACED THE SUBS SEPARATELY IN ALMOST EVERY LOCATION. THE BEST POSITION I HAVE FOUND WAS TO STACK THEM IN THE FRONT RIGHT CORNER.BASS IS CLEANER,MORE POWERFUL AND CLARITY IN THE RB-35'S IS EXCELLENT,CRISP.ALTHOUGH THE FINE TUNING I HAVE MADE HAS HELPED,TIGHTNESS STILL SEEMS TO BE LACKING (SLIGHTLY) AT HIGHER VOLUMES. DONT GET ME WRONG, I LOVE HOW THEY SOUND WITH THE RB-35'S. MAYBE I SHOULD LEAVE WELL ENOUGH ALONE. YEAH RIGHT!

[2 15" cht-15 velodynes stacked vs. 1 rsw-15?]

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[2 15" cht-15 velodynes stacked vs. 1 rsw-15?]

i am considering selling two cht-15 velodynes that i have stacked in a corner to purchase an rsw-15. i am very happy with the velodynes but would like a somewhat tighter,faster bass.will the rsw-15 give an overall better performance? appreciate any advice.