JBL Professional Music Mixer LSR6332 User Manual

Linear Spatial Reference  
Studio Monitor System  
LSR6332  
Key Features:  
Advanced Linear Spatial Reference  
design ensures flatter response at the  
mix position.  
®
Differential Drive technology with  
dynamic braking for extended low  
frequency response and low power  
compression.  
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  
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.  
Magnetically shielded for use near  
video monitors.  
Reinforced enclosure and convenient  
mounting points allow mounted  
installation.  
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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