Ultra Long Excursion High Power Dual 18" Subwoofer
JBL’s Marquis Dance Club Series is a state-of-the-art family of loudspeaker systems designed specifically for the Dance Club Market.The MD7, dual 18" subwoofer system is fitted with two JBL 2269H Differential Drive, Vented Gap Cooling capable of generating frequency response to 25 Hz in a sonically superior and visually imposing dance floor system. The MD7 is intended to be used in conjunction with the MD1 super tweeter, MD2 mid-high system, and MD3 low-frequency system. When all elements are combined they complete a high energy five-way dance system with unprecedented fidelity, clarity, and breathtaking purity.Dual JBL 2269H 4" dual voice coil – dual magnetic gap Differential Drive® woofers with Vented Gap Cooling™
4000 watts continuous program power handling
Horn-loaded enclosure for low distortion
Ultra low-frequency response with true sub-bass extension
Frequency Range (-10 dB) 22 - 240 Hz
Power Rating 4000 W (16000 W peak), 2 hrs
Input Modes Drivers Parallel / Drivers Discrete
Frequency Response (± 3 dB) 25 - 120 Hz
Maximum SPL (1m) 135 dB-SPL cont. avg. (141 dB peak)
System Sensitivity 112 dB SPLk 2.83V (2W) @ 1m (3.3 ft)
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 18 points (5 top, 5 bottom, 4 each side) M10 threaded hardware.
Finish Black DuraFlex™ finish.
Grille Powder coated 14 gauge perforated steel.
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.
Dimensions (H x W x D in vertical cabinet orientation) 762.0 x 1121.7 x 965.7 mm (30.0 x 44.2 x 38.0 in)
Net Weight 108 kg (238 lb)
Optional Accessories M10 x 35 mm forged shoulder eyebolts with washers