The Captivator is most likely the best vented/PR
commercial sub in the market right now. It has the biggest driver, enclosure and power. At its price point, it should perform the best.
Comparing it with a DIY PR18 with the LMS 18" 5400 driver with 4,000watts in a 200-250L box, tuned in the 15-20hz range, if given the choice, I'll take the LMS set-up. As most people know, the LMS is one of the best (if not the best) driver out there. It's heavier, more linear (has lower FS and goes well past 100hz), more xmax, works on both small sealed/PR
set-ups. Also, most likely it will take more power and have less distortion compared to the Cap driver. It has been tested several times and the results speak for themselves. Where the Cap has an advantage is in the sensitivity. There is a posibility that say between 20-80hz, the Cap will match or even slightly put out more SPL than the LMS. My question is, will it sound cleaner for HT and have better SQ than the LMS driver pushed at or near their limit?
I'm sure there will be another sub comparison where the Cap will be tested in the future and perhaps Ricci will get the opportunity to test one. Meanwhile, we'll have to be patient and wait. Either way, no reason to get offended.
I will also like to add that looking at the chart, the Submersive had more SPL in all the movie scenes but one scene but came in second for the HT ranking, interesting. Also, going by the comments of both subs, it seems that the Submersive was the #1 choice sub for both HT/SQ. The Submersive has better extension, more SD (two 15" drivers vs one 18" driver), lower box vibration (due to the dual opposed layout). On the other hand, the Cap has a bigger box, more power and perhaps more xmax. Sensitivity? Should be close, although two sub drivers like the Submersive has gives another 3db gain in sensitivity.
They are both excellent subs in the commercial world, specially at their price point. People will take into account the size of their space, value, size of the sub, percentage of use for HT vs music and make the choice according to those needs. Just my take.