MD52
2-Way Full-Range Loudspeaker
System with 1 x 12" LF
Professional Series
Key Features:
䉴 JBL 262H-1 2" dual voice coil –
dual magnetic gap Differential
Drive® woofer
䉴 JBL 2408H-1 1.5" diaphragm, 1"
exit compression driver
䉴 90° x 50° rotatable PT™
Progressive Transition waveguide
䉴 Pole mount socket for portable
applications
Applications:
䉴 Sophisticated dance clubs
䉴 Mobile DJ
䉴 Live sound reinforcement
JBL’s Marquis Dance Club Series
is a state-of-the-art family of
loudspeaker systems designed
specifically for the Dance Club
Market. The MD52 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 with two
handles, one each on the side
panels, and a pole mount cup on
the bottom panel. MD52 is a
medium-power 90° x 50°, 12"
2-way fully passive full-range
system utilizing a 262H-1
Differential Drive transducer and a
2408H-1 compression driver with a
1.5" diaphragm for smooth, low
distortion high-frequency
response.
Specifications:
System:
Frequency Range (-10 dB):
Frequency Response (±3 dB):
Coverage Pattern:
Directivity Factor (Q):
Directivity Index (DI):
Crossover Frequency:
System Power Rating (IEC)¹:
Long-Term System Power Rating (IEC)2:
Maximum SPL (1m)3:
System Sensitivity4:
System Impedance:
Transducers:
Low-Frequency Driver:
1 x JBL 262H-1, 300 mm (12 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
Physical:
Enclosure: Trapezoidal with 7.5° and 45° side angles, 16 mm
(5/8 in) exterior grade 11-ply birch plywood
Suspension Attachment: 10 x M10 attachment points (2 top, 2 bottom, 2 each
side, 2 rear), 4 x M8 (rear panel) for OmniMount® 60.0
35 mm pole mount socket
Finish: Black DuraFlex™ finish.
Grille: Powder coated 14 gauge perforated steel
Input Connectors: Neutrik Speakon® 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).
Dimensions (H x W x D in 711.2 x 371.4 x 400.6 mm
vertical cabinet orientation): (28 x 14.6 x 15.8 in)
Net Weight: 20.6 kg (45.5 lb)
Optional Accessories: M10 x 35 mm forged shoulder eyebolts with washers
IEC shaped pink noise, 6 dB crest factor, 2 hour duration, based on minimum impedance.
IEC shaped pink noise, 6 dB crest factor, 100 hour duration, based on minimum impedance.
Calculated based on system sensitivity and 2-hour power rating, exclusive of power compression.
4
Anechoic sensitivity in free field, no additional sensitivity gain from boundry loading.
JBL continually engages in research related to product improvement. Changes introduced into existing products without notice
are an expression of that philosophy.
1
2
All of the Marquis Series
loudspeakers offer unprecedented
fidelity, clarity, and breathtaking
purity.
39 Hz - 20 kHz
53 Hz - 19 kHz
90° x 50° rotatable waveguide
11.0
10.4 dB
1.4 kHz
550 W (2200 W peak) 2 hrs
300 W (1200 W peak), 100 hrs
123 dB-SPL cont avg (129 dB peak)
96 dB-SPL, 2.83V (1W) @ 1m (3.3 ft)
8 Ohms
3
䉴 MD52 2-Way Full-Range Loudspeaker System with 1 x 12" LF
Beamwidth
Horizontal Off-Axis Frequency Response
10
0 deg
10 deg
Attenuation (dB)
-6 dB Beamwidth (degrees)
360
100
Horizontal
0
20 deg
30 deg
-10
40 deg
50 deg
60 deg
-20
70 deg
Vertical
10
20
100
1000
10000
-30
20000
80 deg
20
100
1000
Frequency (Hz)
Directivity Index, Q
10
1000
10000
Attenuation (dB)
10
10
Directivity Factor (Q)
Directivity Index (DI), dB
100
100
1
20000
0 deg
0
10 deg
20 deg
-10
30 deg
40 deg
-20
-30
20
100
1000
Frequency (Hz)
10000
20000
Frequency (Hz)
Frequency Response and Impedance
Vertical Down Off-Axis Frequency Response
316
10
100
100
0
90
31.6
80
10
2␲ half space
Attenuation (dB)
110
Ohms
SPL (dB)
20000
Vertical Up Off-Axis Frequency Response
20
0
20
10000
Frequency (Hz)
0 deg
10 deg
20 deg
-10
30 deg
40 deg
-20
4␲ free field
70
20
100
1000
10000
3.16
20000
-30
20
100
1000
Frequency (Hz)
10000
20000
Frequency (Hz)
Measurements obtained in full passive crossover mode with no signal
processing. Graphs are from unaltered measured data.
371.4
[14.6]
Dimensions
273.4
[10.8]
CL
CL
215.9
[8.5]
400.6
[15.8]
200.9
[7.9]
45°
15°
TOP
303.8
[12.0]
R762.5
[R30.0]
400.6
[15.8]
371.4
[14.6]
BOTTOM
215.9
[8.5]
69.9
[2.7]
CL
349.3
[13.7]
127.0
[5.0]
711.2
[28.0]
292.1
[11.5]
JBL Professional
8500 Balboa Boulevard, P.O. Box 2200
Northridge, California 91329 U.S.A.
© Copyright 2012 JBL Professional
www.jblpro.com
FRONT
SIDES
(41.3
[1.6])
REAR
6X 41.3
[1.6]
SSMD52
5018073
CRP
02/12