Peerless
Owner-"BuddahX"
12" 830500 XLS - 3 cu.ft. (85 Liters) tuned to 20 hz.
http://www.hometheatershack.com/for...5837-sonotube-sub-build-x2-18hz-peerless.html
Owner-"ItalynStylion"
12" XXLS12 - 2.2 cu.ft. (62 Liters) sealed.
http://www.hometheatershack.com/for...vers-processors-amps/21236-dayton-sa1000.html
Owner-"imbeaujp"
12" XXLS12 - 1.2 cu.ft. (33 Liters) tuned to 18.25 hz with 1 PR.
http://www.hometheatershack.com/forums/diy-subwoofers/6832-pearless-xxls-12-passive-radiator.html
Owner-"trofius"
2 x 12" XXLS12 - 4.6 cu. ft. (130 Liters) sealed.
http://www.hometheatershack.com/for...ed-ported/11526-duel-peerless-830952-sub.html
Owner-"Dark Regent"
2 x 12" XXLS12 - 3.2 cu. ft. (90 Liters) Push/Pull sealed.
http://www.hometheatershack.com/for...orted/20944-peerless-push-pull-sub-build.html