Probably the best 18” speaker for med/large  chamber scoops.

Gives a tight deep punchy Bass .

Extreme power handling

RMJ Red I 1500 18"MODEL Red I 1500

Fs 35.4286

ZMax 90.3460

Z F1F2 20.8245

Re 4.8000

Qms 5.9379

Qes 0.3332

Qts 0.3155

Cms 0.0715

Mms 282.1327

BL 30.0800

VAS 191.7142

dBSPL 97.1031

Z Min 7.0559

Z AVG 65.2681

Extremely potent Super Woofer for for Med./Large chamber scoops

Also good for Manifold, reflex and Folded Horn enclosures

RedI 18” 1800 W tripple silicone spiders. Tight Punchy Sound..

One of the original RMJ Sub drivers Giving deep sub bass

18” sub woofer for soft deep bass for med/Large chamber scoops. Works well in a folded hor due to extremey large BL factor .

Extremely powerful sub- woofer with triple Silicone spider

Exremely high power sub woofer fo med’large chamber scoops, Manifold or Reflex enclosures.