It came yesterday by cargo truck. This thing is huge and weights around 140lbs. I had to have a friend help me lug it to my hometheater room.
I hooked it up alone first, this sub definitely moves air, I could feel the air blowing out of the ports... felt like a fan. I would have to say that this sub is right on par with my SVS 16-46 all they way to 20 hz probably. I didn't take any measurements but this sub rocks. Shook my entire room with the same authority as my SVS. Also this sub is very tight for dual 15" woofers, no distortion at all, pure acurate bass.
There's only one problem though, it has a very slight hum... kinda static sounding. Is this normal? I'm currently using a peavey cs800 that I will be replacing with a denon poa-5200. I'm hoping that replacing the amp will cure the hum or I may try to plug it into my moster 2000 conditioner.
I will call JBL if I can't get rid of the hum/static.
Carl