Linear Spatial Reference
Bi-Amplified Studio
LSR6325P-1 Monitor
Key Features:
design with proprietary JBL
transducer technology.
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High Performance bi-amplified
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Titanium composite high-frequency
transducer.
LSR Linear Spatial Reference
technology ensures neutral off-axis
response for greater clarity at the mix
position.
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User-selectable Boundary
Compensation restores accurate
response when speaker is positioned
near a wall or on a work surface.
Front Panel Volume and Power
Controls.
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Integrated mounting points.
Magnetic shielding minimizes
interference when used in close
proximity to CRT monitors.
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Die cast aluminum enclosure
provides high inertial ground for
optimum transducer performance
and low resonance.
By incorporating LSR into the system design the LSR6325P-1 delivers greater
high and mid frequency accuracy to the mix position, in a broad range of
production environments.
®
THX pm3 approved.
Low Frequency Transducer
The 5.25" woofer is based on JBL's research and field proven experience
in low distortion, high excursion designs. The cone forms a rigid piston and
is supported by a butyl rubber compliance. The motor structure incorpo-
rates Symmetrical Field Geometry (SFG) with an integral shorting ring for
maximum linearity. The high excursion capability provides a substantial
increase in dynamic range over typical transducer design. A cast aluminum
basket provides advanced heat dissipation for low power compression. The
powerful structure is shielded for use in close proximity to CRT monitors.
The LSR6325P-1 Studio Monitor
provides ultra-accurate response and
exceptional SPL capability in a very
compact form factor. THX pm3
®
approved, the LSR6325P-1 is ideal for
stereo and surround recording, post
production and broadcast systems
where space is limited but accuracy
and high-output are required. The
LSR6325P-1 Studio Monitor combines
JBL's latest in transducer and system
technology and incorporates the LSR
Linear Spatial Reference design to
provide greater accuracy at the mix
position. The Linear Spatial Reference
(LSR) philosophy is based on a set of
design goals that optimize the overall
performance of the system in a vari-
ety of acoustic spaces. Instead of
focusing on a simple measurement
such as on-axis frequency response,
LSR design requires the system meet
frequency-response criteria for seven-
ty-two off-axis measurements.
High Frequency Transducer
The high frequency device is a 1" composite diaphragm integrated with
an Elliptical Oblate Spheroidal (EOS) Waveguide with 60 x 100 degree dis-
persion which is critical to the smooth spatial response required in today's
working environments.
Carefully-controlled dispersion,
achieved through transducer design,
crossover frequency selection and
engineering of the enclosure, ensures
not just the on-axis sound, but also
the reflected sound which reaches of
the mix position is neutral.
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᭤ LSR6325P-1 Linear Spatial Reference Bi-Amplified Studio Monitor
Mounting Specifications:
The LSR6325P-1 has built-in mounting points for use
Specifications:
with industry-standard mounting hardware.
The mounting points are located on the rear panel of
the speaker system. The four threaded holes accept a
1/4" diameter machine screw with a pitch of 20 threads
per-inch. The length of the screw should be a total of
3/8th inch plus the thickness of the mounting bracket.
Hole Pattern:
System:
Frequency Response (+1, -2 dB): 70 Hz - 20 kHz
Enclosure resonance frequency: 55 Hz
Low Frequency Extension: User controls set to default
-3 dB: 65 Hz
-6 dB: 56 Hz
-10 dB: 48 Hz
Low - High Frequency Crossover: 2.3 kHz
4th-order Electroacoustic Linkwitz-Riley
Distortion, 96 dB SPL, 1 m:
Mid-High Frequency (150 Hz - 20 kHz):
2nd Harmonic: <0.5%
3rd Harmonic: <0.5%
Low Frequency (<150 Hz):
2nd Harmonic: <2%
3rd Harmonic: <3%
Maximum SPL (90 Hz - 20 kHz): >106 dB SPL / 1m
107.9 mm
(4.25 in)
Maximum Peak SPL (90 Hz - 20 kHz): >109 dB SPL / 1m
Signal Input: XLR, Balanced
RCA, unbalanced
Postitive voltage applied to XLR Pin 2 (RCA tip)
produces outward woofer motion.
Calibrated Input Sensitivity:
XLR, +4 dBu: 96 dB SPL / 1 m
RCA, -10 dBV: 96 dB SPL / 1 m
AC Input Voltage: 115 /230 VAC, 50/60 Hz (User Selectable)
AC Input Voltage Operating Range: +/- 15%
AC Input Connector: IEC
Long-Term Maximum System Power: 110 watts (IEC265-5)
Self Generated Noise Level: <10 dBA / 1 m
+
+
+
+
50.8 mm
(2 in)
User Controls:
High Frequency Control (3 kHz - 20 kHz): +1.5 dB, 0 dB, -1.5 dB
Workstation Boundry Compensation: Active or Bypass
Low Frequency Acoustic Alignment: 36 dB/Octave Butterworth bi-pass at 40 Hz
36 dB/Octave Bessel hi-pass at 80 Hz
(For use with Subwoofer)
Variable Input Attenuation: 0 - 26 dB
Transducers:
Low Frequency Diameter: 134 mm (5.25 in)
Voice Coil: 38 mm (1.5 in)
Magnet Type: Ferrite with Integral Shielding
Cone Type: Tempered Paper with Butyl Rubber Compliance
Nominal Impedance: 8 ohm
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 quali-
fied 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, be certain that it is capable of supporting the weight of the speaker to be
mounted.
High Frequency Diameter: 25 mm (1 in) diaphragm
Voice Coil: 25 mm (1 in)
Magnet Type: Ferrite with Integral Shielding
Diaphragm Type: Damped Titanium Composite
Other Features: Elliptical Oblate Spheroidal Waveguide
Nominal Impedance: 4 ohms
Amplifiers:
Low Frequency:
Topology: Bridged Class A-B Monolithic
Sine Wave Power Rating: 100 watts (<0.1% THD into rated impedance)
THD+N, 1/2 Power: <0.05%
Notes:
High Frequency:
All measurements unless otherwise stated are made anechoically in a 4π environment
Topology: Class A-B, Monolithic
at 2 meters and are referenced to 1 meter by the inverse square law.
Sine Wave Power Rating: 50 watts (<0.1% THD into rated impedance)
THD + N, 1/2 Power: <0.05%
The reference measurement microphone position is located perpendicular to the cen-
terline of the low and high frequency transducers, at the point 70 mm (2.7 in) above
the center of the woofer.
Physical:
Finish: Black Powdercoat
Grille: Perforated Steel
Enclosure Volume (net): 6.5 liter (0.2 cu. ft.)
Low Frequency Vent: Dual Linear Dynamic Aperture
Baffle Construction: Diecast Aluminum
Cabinet Construction: Diecast Aluminum
Acoustic loading provided by the listening room increases Maximum SPL capabilities
and Low Frequency Bass Extension as compared to stated anechoic values.
Distortion measurements are performed with the input voltage necessary to produce
the stated “A” weighted SPL level at the stated measurement distance. Distortion fig-
ures refer to the maximum distortion measured in any 1/10th octave wide band in the
stated frequency range.
Mounting: 4 threaded mounting points conforming to industry standard
square pattern, 127 x 70 mm (5 x 2.75 in) 107.9 mm x
50.8 mm (4.25 x 2 in) center to center. M6 metric threads.
Net Weight: 7.7 kg (17 lb)
JBL continually engages in research related to produce improvement. New materials,
production methods, and design refinements are introduced into existing products
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 specifications unless otherwise stated.
Dimensions (WxHxD): 17.3 x 26.9 x 24.1 cm (6.8 x 10.6 x 9.5 in)
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᭤ LSR6325P-1 Linear Spatial Reference Bi-Amplified Studio Monitor
LSR6325P-1 5.1 Surround Sound System including the LSR6312SP Powered Studio Subwoofer and RMC™ Room
Mode Correction Calibration Kit.
JBL Professional
8500 Balboa Boulevard, P.O. Box 2200
Northridge, California 91329 U.S.A.
A Harman International Company
© Copyright 2006 JBL Professional
SS LSR6325P-1
CRP 5M
05/06
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