JBL ASB7128 082016
User Manual: JBL JBL - Manuals+
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ASB7128 Professional Series Ultra Long Excursion High Power Dual 18” Subwoofer Key Features: u 2 x 2269H 18” Differential Drive® dual voice coil dual gap, neodymium magnet transducers u 4000 watts continuous pink noise, 16000 watts peak power handling capacity u Ultra Long Excursion u Large vent area for high output with low distortion u Parallel/Discrete switchable input mode u For ground-stacked or suspended applications in stand-alone arrays or in combination with other AE Series products Applications: u Performing Arts Facilities u Theatrical Sound Design u Auditoriums u Worship Facilities u Live Clubs u Dance Clubs u Sports Facilities u Themed Entertainment Venues 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”). The enclosure is constructed of multiply hardwood coated in JBL’s rugged DuraFlex™ finish and is heavily braced to maximize low-frequency performance. The rectangular enclosure is fitted with sixteen M10 threaded attachment points and utilizes a 14-gauge steel grille internally lined with acoustically transparent foam to provide additional driver protection and give a very professional appearance. The ASB7128 is part of JBL’s AE Series, a versatile family of loudspeakers intended for a wide variety of applications. Specifications: System: Frequency Range (-10 dB): 20 Hz - 1 kHz Frequency Response (± 3 dB): 25 Hz - 1 kHz Input Modes: Drivers Parallel / Drivers Discrete Transducer Power Rating1: 4000 W (16000 W peak), 2 hrs. Long-Term System Power Rating2: 2400 W (9600 W peak), 100 hrs Maximum SPL (1m)3: 25 Hz - 200 Hz: 135 dB-SPL cont avg. (141 dB peak) System Sensitivity4: 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 Transducers: Low Frequency Driver: 2 x 2269H, 460 mm (18 in) dia., 100 mm (4 in) Dual Coil Dual Gap neodymium Differential Drive®, VGC™ drivers Physical: 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 1092 x 560 x 815 mm vertical cabinet orientation): (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. AES standard, one decade pink noise with 6 dB crest factor within device’s operational band, free air. Standard AES 2 hr rating plus long-term 100 hr rating are specified for low-frequency transducers. 2 AES standard, one decade pink noise with 6 dB crest factor, in cabinet, long-term 100 hr rating. 3 Calculated based on power rating and sensitivity, exclusive of power compression. 4 Half-space (2π) loading, averaged in specified frequency band. 1 JBL continually engages in research related to product improvement. Changes introduced into existing products without notice are an expression of that philosophy. u ASB7128 Ultra Long Excursion High Power Dual 18” Subwoofer Frequency response is measured on-axis at a distance referenced to 1 m @ 1 watt (2.0 Vrms) input, shown as half-space (2π, solid line) and full-space (4π, dotted line) environment. 110 SPL (dB) 100 90 80 70 20 100 1000 10000 20000 10000 20000 Frequency (Hz) Electrical Input Impedance (parallel mode) Impedance (Ohms) 100 10 1 20 100 1000 Frequency (Hz) 477.8 (18.8) C L Dimensions in mm (in). 95.0 (3.7) For more detailed dimensional information, refer to Application Data Sheet. 426.0 (16.8) 675.5 (26.6) For AE & AE Compact Series WRC and WRX versions please visit the JBL Pro website at http://www.jblpro.com/www/products/ installed-sound/ae-series#.V63kVfkrLIV to download Drawings. TOP 814.9 (32.1) 559.8 (22.0) 1092.2 (43.0) 426.0 (16.8) C L C L FRONT SIDES REAR R762.5 (R30.0) BOTTOM JBL Professional 8500 Balboa Boulevard, P.O. Box 2200 Northridge, California 91329 U.S.A. Harman International © Copyright 2016 JBL Professional www.jblpro.com SSASB7128-50 CRP 8/16
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