JBL ASB7128 High Power Dual 18-inch Subwoofer

The ASB7128 is a high power dual 18-inch subwoofer, part of JBL's AE Series installed range. The low-frequency section uses 2 x 2269H, 460 mm (18 in) dia., 100 mm (4 in) Dual Coil Dual Gap neodymium Differential Drive, VGC drivers. Frequency range is 20 Hz - 1 kHz. JBL rates it at 2400 W (9600 W peak), 100 hrs. Maximum SPL at 1 m is 25 Hz - 200 Hz: 135 dB-SPL cont avg. (141 dB peak). Nominal impedance is 4 ohms in parallel-drive mode 2 x 8 ohms in discrete-drive mode.

The enclosure is Rectangular cabinet, 16 mm (5/8 in) exterior grade 11-ply birch plywood. The grille is Powder coated 14 gauge perforated steel, with acoustically transparent black foam backing. Finish is Black DuraFlex finish.White available upon request. Rigging: 16 points (4 top, 4 bottom, 4 each side) M10 threaded hardware. Environmental rating: Mil-Std 810; IP-x3 per IEC529. Net weight is 71.9 kg (158.5 lb).