The JBL ASB7128 is a high power, lightweight front-loaded vented subwoofer enclosure housing two of JBL's exclusive 2269H Ultra Long Excursion 18" Differential Drive woofers. This woofer features neodymium magnet, dual voice coils and dual gaps, JBL’s exclusive Vented Gap Cooling and ultra robust composite cone for high excursion and extra long life. Woofer is capable of a peak-to-peak maximum excursion of 89 mm (3.5").
Product Specifications:
Frequency Range (-10dB): 20 Hz - 1 kHz
Frequency Response (±3 dB): 25 Hz - 1 kHz
Transducer Power Rating (AES): 4000 W (16000 W peak), 2 hrs.
Input Modes: Drivers Parallel / Drivers Discrete
System Power Rating: 2400 W (9600 W peak), 100 hrs.
Maximum SPL (1m): 25 Hz - 200 Hz: 135 dB-SPL cont avg. (141 dB peak)
System Sensitivity: 25 Hz - 200 Hz: 99 dB-SPL, 1W (2.0V) @ 1m
Nominal Impedance: 4 ohms in parallel-drive mode 2 x 8 ohms in discrete-drive mode
Enclosure: Rectangular cabinet, 16 mm (5/8 in) exterior grade 11-ply birch plywood
Suspension Attachment: 16 points (4 top, 4 bottom, 4 each side) M10 threaded hardware
Finish: Black DuraFlex finish. White available upon request.
Grille: Powder coated 14-gauge perforated steel.
Environmental: Mil-Std 810; IP-x3 per IEC529.
Dimensions (H x W x D in vertical): 1092 x 560 x 815 mm (43.0 x 22.0 x 32.1 in)
Weight: 71.9 kg (158.5 lb)
Optional Accessories: M10 x 35 mm forged shoulder eyebolts with washers.