3000 w continuous program power capacity100 mm (4 in) split winding copper voice coil35 - 1000 hz response96 db sensitivity57 mm peak-to-peak excursion before damagedouble silicone spider with optimized complianceventilated voice coil gap for reduced power compressionaluminium demodulating ring for very low distortionnominal diameter460 mm ( 18.0 in)nominal impedance8 ohmsminimum impedance 6.5 ohmsnominal power handling *1500 wcontinuous power handling *3000 wsensitivity (1w / 1m) * 96.0 dbfrequency range35 - 1000 hzvoice coil diameter100 mm ( 4.0 in)winding materialcopperformer materialglass fibrewinding depth31 mm ( 1.22 in)magnetic gap depth15 mm ( 0.59 in)flux density 1.15 t [single]