ASB7128

The JBL ASB 7128 Ultra Long Excursion high power dual 18-inch subwoofer provides a large vent area for high output with low distortion.

From the Manufacturer

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").

Features

• 2 x 2269H 18" Differential Drive® dual voice coil dual gap, neodymium magnet transducers
• 4000 watts continuous pink noise,
  16000 watts peak power handling capacity
• Ultra Long Excursion
• Large vent area for high output with low distortion
• Parallel/Discrete switchable input mode
• FIR Tuning Set Matches Phase Profile to Full-Range Models
• For ground-stacked or suspended applications in stand-alone arrays or in combination with other AE Series products

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
• LF 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: Mil-Std 810; IP-x3 per IEC529.
• Dimensions (H x W x D in vertical orientation): 1092 x 560 x 815 mm(43.0 x 22.0 x 32.1 in)
• Net Weight (each): 71.9 kg (158.5 lb)
• Optional Accessories: M10 x 35 mm forged shoulder eyebolts with washers.
• Nominal LF Driver Impedance:
  • 4 ohms in parallel-drive mode
  • 2 x 8 ohms in discrete-drive mode