MD55
2-Way Full-Range Loudspeaker
System with 1 x 15" LF


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2-Way Full-Range Loudspeaker System with 1 x 15" LF
JBL’s Marquis Dance Club Series is a state-of-the-art family of loudspeaker systems designed specifically for the Dance Club Market. The MD55 is also designed for the mobile DJ requiring a light weight, high fidelity portable system. The multiangle enclosure features a 45° angle on one side for use as a floor monitor in the horizontal orientation and is fitted handles, a pole mount cup on the bottom panel. MD55 is a medium-power 90° x 50°,
15" 2-way fully passive full-range system utilizing a 265H Differential Drive transducers and a 2408H-1 compression driver with a 1.5" diaphragm for smooth low distortion high-frequency response. All of the Marquis Series loudspeakers offer unprecedented fidelity, clarity, and breathtaking purity.

FEATURES
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  • JBL 265H 2" dual voice coil – dual magnetic gap Differential Drive® woofers
  • JBL 2408H-1 1.5" diaphragm, 1" exit compression driver
  • 90° x 50° rotatable PT™ Progressive Transition waveguide
  • Pole mount socket for portable applications

APPLICATIONS
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  • Sophisticated dance clubs
  • Mobile DJ
  • Live sound reinforcement

SPECIFICATIONS
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Frequency Range (-10 dB) 39 Hz – 20 kHz
Power Rating 550 W (2200 W peak) 2 hrs
Coverage Pattern 90° x 50°, rotatable waveguide
Frequency Response (±3 dB) 51 Hz – 19 kHz
Directivity Factor (Q) 11.6
Directivity Index (DI) 10.6 dB
Passive Crossover Frequency 1.8 kHz
Long-Term System Power Rating (IEC) 350 W (1400 W peak), 100 hrs
Maximum SPL 125 dB-SPL cont avg (131 dB peak)
System Sensitivity 98 dB SPL, 2.83V (1W) @ 1m (3.3 ft)
System Impedance 8 ohms
Low Frequency Driver 1 x JBL 265H-1 380 mm (15 in ) Differential Drive woofer with dual 50.8 mm
(2 in) voice coil
High Frequency Driver 1 x JBL 2408H-1, 25.4 mm (1 in) exit compression driver, 38 mm (1.5 in)
voice coil
Waveguide PT-H95HF-1 Progressive Transition Waveguide
Enclosure Trapezoidal with 7.5° and 45° side angles, 16 mm (5/8 in) exterior grade 11-ply birch plywood
Suspension Attachment 10 points (2 top, 2 bottom, 2 each side, 2 rear), M10 threaded hardware, 35 mm pole mount socket
Finish Black DuraFlex™ finish.
Grille Powder coated 14 gauge perforated steel
Input Connector Neutrik Speakons NL4 (2 wired in parallel), plus CE-compliant covered barrier strip terminals. Barrier terminals accept up to 5.2 sq mm (10 AGW) wire or max width 9 mm (.375 in) spade lugs. NL4’s +1/-1 in parallel with barrier strip (+2/-2 loop through).
Environmental Specifications Mil-Std 810; IP-x3 per IEC529
Dimensions (H x W x D in vertical cabinet orientation) 781.1 x 419.8 x 457.7 mm
(30.8 x 16.5 x 18.0 in)
Net Weight 23.8 kg (52.5 lb)
Optional Accessories M10 x 35 mm forged shoulder eyebolts with washers