Ultra Long Excursion High Power Dual 18" Subwoofer

The 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").

Frequency Range
(-10 dB) : 20 Hz - 1 kHz

Frequency Response
(± 3 dB) : 25 Hz - 1 kHz

Transducer Power Rating : 4000 W (16000 W peak), 2 hrs.

Input Modes : Drivers Parallel / Drivers Discrete

Long-Term 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

Low Frequency Driver : 2 x 2269H, 460 mm (18 in) dia.,
100 mm (4 in) Dual Coil Dual
Gap neodymium Differential Drive®, VGC™ drivers

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, with acoustically transparent black foam backing.

Input Connector : NL4 Neutrik Speakon® and CE-compliant covered barrier strip terminals. Barrier terminals accept up to 5.2 sq mm (10 AWG) wire or max width 9 mm (.375 in) spade lugs. Speakon in parallel with barrier strip for loop-through.

Environmental Specifications : Mil-Std 810; IP-x3 per IEC529.

Dimensions (H x W x D in
vertical cabinet orientation) : 1092 x 560 x 815 mm
(43.0 x 22.0 x 32.1 in)

Net Weight : 71.9 kg (158.5 lb)

Optional Accessories : M10 x 35 mm forged shoulder
eyebolts with washers.