Linear Spatial Reference
Studio Monitor System
LSR6332
Key Features:
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Advanced Linear Spatial Reference
design ensures flatter response at the
mix position.
®
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Differential Drive technology with
dynamic braking for extended low
frequency response and low power
compression.
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Neodymium midrange with 2" voice
coil and Kevlar™ cone material for
extended frequency response and
low distortion.
Titanium composite high frequency
transducer with elliptical oblate
spheroidal waveguide and damped
polepiece.
LSR6332R (Right) shown
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High-Density baffle for low enclosure
resonance and stable inertial ground.
Linear Dynamics Aperture port
design eliminates port turbulence
and reduces port compression.
252G Low Frequency Transducer
®
The neodymium 12" woofer is based on JBL patented Differential Drive
technology. With the neodymium structure and dual drive coils, power com-
pression is kept to a minimum to reduce spectral shift as power level increase.
An added third coil between the drive coils acts as a dynamic brake to limit
excess excursion and reduce audible distortion at the highest levels. The cone is
made of a graphite polypropylene composite forming a rigid piston supported
by a soft butyl rubber surround.
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Magnetically shielded for use near
video monitors.
Reinforced enclosure and convenient
mounting points allow mounted
installation.
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Midrange/high frequency sub-baffle
may be rotated by user for horizontal
or vertical orientation.
C500G Midrange Transducer
The 5" midrange transducer has a 2" neodymium magnetic structure with a
woven Kevlar cone. The powerful motor structure was chosen to support the
low crossover frequency to the woofer. In order to achieve the goal of accurate
spatial response the crossover points are placed at 250 Hz and 2.2 kHz. These
transition points match the directivity characteristics of the three transducers.
Available as mirror imaged left and
right models. (order LSR6332L or
LSR6332R)
The LSR6332 studio monitor is
designed for use as a near or mid-field
reference monitor, or a soffit-mounted
main monitor in applications requiring
exceptional spectral accuracy and high
SPL capability. The LSR6332 combines
the latest in JBL’s renowned transducer
and system technology with psychoa-
coustically derived spatial response cri-
teria, resulting in a more accurate stu-
dio monitoring reference. In this design
process, the system’s frequency
053TiS High Frequency Transducer
The high frequency transducer has a composite diaphragm integrated with an
Elliptical Oblate Spheroidal (EOS) waveguide with wide uniform dispersion,
which is critical to the smooth spatial response required in today’s working
environments. The mid and high frequency devices are mounted within mil-
limeters of each other on a cast aluminum sub-baffle that can be rotated for
horizontal or vertical placement, giving maximum flexibility in placement to
reduce console and ceiling splash that interferes with stereo imaging and depth.
response over the forward listening
range ( 15° vertically and 30° hori-
zontally) is optimized, as opposed to
the conventional approach of optimiz-
ing the response directly on-axis. This
design approach involves careful com-
ponent design, selection of crossover
frequency, and precise baffle geometry
and detail. The result is a system that
can be used for the most critical judge-
ments of recording balance, image
placement, and equalization.
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Amplitude & Phase
Specifications:
System:
Input Impedance (Nominal): 4 ohm
Anechoic Sensitivity1: 93 dB/2.83 V/1 m (90 dB/ 1 W/ 1 m)
Frequency Response (60 Hz – 22 kHz): +1. -1.5 dB
Low Frequency Extension2:
-3 dB: 54 Hz
-10 dB: 35 Hz
Enclosure Resonance Frequency: 33 Hz
Long Term Maximum
Power (IEC265-8): 200 W continuous average; 800 W peak
Recommended Amplifier Power: 150 W - 1000 W (rating into 4-ohm load)
High Frequency Control (2.5 to 20 kHz): 0 dB, -1 dB
Distortion, 96 dB SPL, 1 m3:
Low Frequency (below 120 Hz):
2nd Harmonic: <1.5%
3rd Harmonic: <1%
96 dB/1 m (Distortion raised 20 dB)
Mid and High Frequency
(120 Hz to 20 kHz):
2nd Harmonic: <0.5%
3rd Harmonic: <0.4%
Distortion, 102 dB SPL, 1 m3:
Low Frequency (below 120 Hz):
2nd Harmonic: <1.5%
3rd Harmonic: <1%
Mid and High Frequency
(80 Hz to 20 kHz):
2nd Harmonic: <1%
3rd Harmonic: <1% (Note: <0.4%, 250 Hz - 20 kHz)
Power Nonlinearity (20 Hz to 20 kHz):
30 Watts: <0.4 dB
100 Watts: <1.0 dB
Low-Mid Frequency Crossover:
4th Order Acoustic Linkwitz-Riley: 250 Hz
102 dB/1 m (Distortion raised 20 dB)
Mid-High Frequency Crossover:
4th Order Acoustic Linkwitz-Riley: 2.2 kHz
Transducers:
Low Frequency Model: 252G
Diameter: 300 mm (12 in)
Voice Coil: 50 mm (2 in) Differential Drive® with dynamic braking
coil
Magnet Type: Neodymium
Cone Type: Carbon Fiber Composite
Impedance: 4 ohms
Mid Frequency Model: C500G
Diameter: 125 mm (5 in)
Voice Coil: 50 mm (2 in) aluminum edge wound
Magnet Type: Neodymium
Cone Type: Kevlar™ composite
Impedance: 4 ohms
High Frequency Model: 053TiS
Diameter: 25 mm (1 in) diaphragm
Voice Coil: 25 mm (1 in)
Notes:
Magnet Type: Ceramic 5
All measurements unless otherwise stated made anechoically at 2 meters and refer-
enced to 1 meter by the inverse square law.
The reference measurement microphone position is located perpendicular to the cen-
ter line of the mid and high frequency transducers, at the point 55 mm (2.2 in) below
the center of the tweeter diaphragm
Diaphragm Type: Damped titanium composite
Other Features: Elliptical oblate spheroidal waveguide
Impedance: 4 ohms
1
Physical:
Mean SPL from 100 Hz to 20 kHz.
Describes anechoic (4) low frequency response. Acoustic loading provided by the
2
Finish: Smooth dark graphite
Enclosure Volume (Net): 50 liter (1.8 cu ft)
Input Connectors: 5-way binding posts
Input Features: Bi-wirable
listening room will increase low frequency bass extension.
3
Distortion measurements performed with the input voltage necessary to produce the
stated A-weighted SPL at the stated measurement distance. Distortion figures refer to
the maximum distortion measured in any 1/10th octave wide band in the stated fre-
quency range.
Mounting: 4 threaded mounting points conforming to industry
standard square pattern, 127 x 70 mm (5 x 2.75 in)
center to center. M6 metric thread.
4
Power nonlinearity figures based on the A-weighted deviation from linear increase in
SPL with linear increase in input power (i.e., power compression) measured after 3
minutes of continuous pink noise excitation at the stated power input.
Baffle Construction: Injection molded structural ABS
Enclosure Construction: 19 mm (3/4 in) MDF
Net Weight: 20.4 kg (45 lb)
JBL continually engages in research related to performance improvements. New mate-
rials, production methods, and design refinements are introduced into existing prod-
ucts without notice as a routine expression of that philosophy. For this reason, any
current JBL product may differ in some respect from its published description, but will
always equal or exceed the original design specification unless otherwise stated.
Dimensions (WxHxD): 63.5 x 39.4 x 29.2 cm (25.0 x 15.5 x 11.5 in)
Caution: Unsafe mounting or overhead suspension of any heavy load can result in serious injury and
equipment damage. Mounting of speakers should be done by qualified persons in accordance with all
applicable local safety and construction standards. Be certain to follow the instructions provided by
the manufacturer of the mounting bracket. Before selecting a mounting bracket, be certain that it is
capable of supporting the weight of the speaker to be mounted.
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᭤ LSR6332 Linear Spatial Reference Studio Monitor System
Acoustic Contribution
Impulse Response
Power Compression
System Impedance
1 – 10 WATTS
2 – 30 WATTS
3 – 100 WATTS
Vertical And Horizontal Orientation
LSR6332R (Right) shown
JBL Professional
8500 Balboa Boulevard, P.O. Box 2200
Northridge, California 91329 U.S.A.
A Harman International Company
© Copyright 2004 JBL Professional
SS LSR6332
CRP 5M
8/05
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