JBL DOC 561
User Manual: JBL JBL - Manuals+
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mix without boundaries
LSR6300 Studio Monitors
what room?
If control rooms had no walls, mixing would be a pleasure. Unfortunately, problems in the room dramatically color
what you hear at the mix position. Walls and corners can affect response. And standing waves at the mix position
can lead you to misjudge bass content. As a result, a speaker which measures flat in an anechoic chamber may “tell
you a different story” in the room. The new JBL LSR6300 series goes beyond “accurate” all the way to “stunning” by
incorporating features which reduce the effect of problems in the room. We start with patented JBL transducer and
Whether you work in a large commercial room or small project
studio, unless corrected, the effect of boundaries, reflections
and room modes color what you hear the mix position.
network technologies that provide ultra-flat response and
exceptional dynamic capability. Then we incorporate features
which help to overcome the contributions of the room. So even
if you work in a small home studio, you’ll have clear sound at the
mix position. Of course, all models are THX
®
pm3™ approved for
use in the most demanding production environments. With the
new JBL LSR6300 series, mixing is a pleasure.
Sound So Flat at the Mix Position,
it’s as if Someone Removed the Walls.
It takes more than an accurate speaker system to have accurate response at
the mix position. The key to accuracy is tackling the effect of boundaries, stand-
ing waves and reflections. In developing the LSR6300 series, JBL examined each
problem in the environment and created the perfect solution. Even if you work in a
small control room, an LSR6300 system will provide smooth accurate response at
the mixer’s chair.
LSR (Linear Spatial Reference Technology)
Linear Spatial Reference Technology ensures that our speakers sound flat at the mix
position. The exact geometry of the wave guide, the interaction of the woofer and tweeter,
and the network are designed to provide an accurate listening window of +/- 30 degree
horizontal, +/- 15 degree vertical. As a result, the reflected sound which reaches the mix
position is smooth and accurate.
RMC™ (Room Mode Correction)
The LSR6328P and LSR6312SP Subwoofer are equipped
with RMC – JBL’s ingenious method of zeroing-out bass
problems at the mix position caused by room modes. A
built-in 1/10th octave parametric equalizer allows you to
correct problems below 100 Hz. The RMC Calibration Kit
gives you everything you need to identify problematic
room modes and tune your system. The LSR6325P-1 and
LSR6332 enjoy the benefits of RMC when used in a
system with the LSR6312SP Subwoofer.
Built-in Boundary Compensation
With the advent of multi-channel production, trying to find a place for more speakers, and
space limitations, may demand the positioning of the speaker be compromised. JBL’s
powered models include boundary compensation switches that can be used to offset the
increase in bass-response, which occurs when the speaker is placed near a wall, in a
corner or on a work surface. Simply set the switch which corresponds to your condition
and flat response is restored.
Mounting Option
Since wall mounting gives more options for speaker placement, each speaker in the LSR
line is ready to mount. Enclosures are reinforced and mounting points are provided for use
with readily available, industry-standard mounting brackets. Mounting hardware specs are
available at www.jblpro.com/LSR
Handles
If you move your LSR6328P speakers from one environment to another, you’ll appreciate
its comfortable integrated handles, which allow you to easily position the loudspeaker and
optimize its performance.
Five Building Blocks to Clear Sound
Introducing the LSR6300 Line
The JBL LSR6300 professional loudspeakers supply the accuracy and
performance needed in demanding music, post audio and broadcast
applications. Each model provides ultra-flat response, extraordinary-
SPL capability, and technology to optimize performance in any size
production environment. All models are shielded, ready for mounting
and THX® pm3™ approved.
JBL Professional is the leader in loudspeaker technology since 1946. The JBL Professional campus in Northridge,
California is home to the science and resources which fuel JBL excellence. JBL is one of only a handful of U.S loud-
speaker companies which manufactures transducer components in-house. The use of in-house designed and
produced components ensures product consistency and long-term reliability. JBL holds patents on unique loud-
speaker speaker technologies, many of which are applied in the LSR line. We have invest-
ed heavily in the tools to measure and evaluate product in development. These tools allow
us to discover opportunities for better performance, cost savings, and ensure that every
product which hits the market meets our exacting criteria. The anechoic chamber is an
The
LSR6328P
is THE choice for stereo and multi-channel music and
post audio applications where accuracy and high SPL are required. With
ruler-flat +1 dB/-1.5 dB response from 50 Hz to 20 kHz, low frequency
extension to 36 Hz, boundary compensation and JBL’s new RMC system,
the LSR6328P gives you exceptional low frequency performance in any
room. The system is bi-amplified with a 250 Watt LF amplifier and a 120
Watt HF amplifier. Based around JBL’s patented 8” Differential Drive®
carbon-fiber woofer and a 1” titanium composite tweeter, the system
produces smooth response and extraordinary SPL. Wall mounting
provisions make the LSR6328P perfect for installation in multi-channel
editorial rooms.
The compact
LSR6325P-1
provides exceptional performance for use in
applications where accuracy is a must, but space is limited. With a 5.25”
high-excursion woofer, 1” damped titanium composite tweeter, and 150
Watts of amplification, it outperforms many larger systems. A boundary
compensation setting adjusts response when used on workstation surfaces.
When used with the LSR6312SP Subwoofer, the LSR6325P-1 is the heart of
an exceptionally accurate yet space efficient full-range system.
For critical listening, JBL’s Speaker Shufer
swaps pairs of speakers in under 3 seconds.
The ne structure of cone and dome motion
can be easily viewed through the use of
Scanning Doppler Laser Techniques.
Several anechoic chambers on the JBL
Campus allow detailed measurement and
evaluation of system response.
LSR6328P
LSR6325P-1
The JBL Tradition Continues
If you need a larger monitor with high SPL, for mid-field, soffit or behind the screen applications,
the LSR6332 is your choice. This three-way non-powered system can handle 200 Watts continuous
pink noise/800 Watts peak and will generate 112 dB SPL at 1 meter. The LSR6332 incorporates a 12”
Neodymium Differential Drive
®
NDD
™
dual coil woofer, 5” Kevlar™ midrange speaker and 1” titanium
composite tweeter. The system is exceptionally flat, +1 dB/ –1.5 dB from 60 Hz to 22 kHz with LF
extension to 35 Hz. User features include a –1 dB HF level setting, and dual 5-way binding posts for
bi-wire capability.
The LSR6312SP
powered subwoofer is based on a 12”
woofer with JBL’s patented Differential Drive
®
and 260 Watts
of power. An integral bass-management system provides all
the features you need for today’s multi-format surround
production including: LCR and Direct LFE inputs, summed
output for chaining multiple subwoofers, -4 dB alignment
setting, and JBL’s new RMC Room Mode Correction system.
RMC Calibration Kit included.
The Academy of Motion Picture Arts and Sciences
chose JBL cinema systems for its theater.
JBL excellence is evident in the
manufacturing of its custom drivers.
essential tool for performance measurement. Without it, all you can do is predict. While anechoic chambers are very
expensive and some manufacturers have none of their own, JBL has many anechoic chambers on its campus. Since
position in the room influences the perception of the speaker, critical A/B comparison evaluations require that every
speaker being judged is positioned in exactly the same spot in the room. Since no solution exists which allows rapid
swapping of pairs of speakers, JBL manufactured the only known Speaker Shuffler, a computer-operated device
capable of physically swapping pairs of speakers in the space of 3 seconds. JBL’s technical staff is second-to-none.
Our engineers are respected by their peers in the industry and have won techni-
cal awards and honors from the Academy of Motion Pictures Arts and Sciences
and from the Audio Engineering Society for designs which have advanced the
professional audio industry. Because
JBL Professional systems are first call
in cinema applications, and used by the
world’s top dubbing stages, you can
be sure the program created using the
new LSR6300 systems will translate
perfectly to the screen.
LSR6332 LSR6312P
“Academy Award” and “Oscar” image © AMPAS®
The Outstanding Performance of the New
LSR6300 Models is Due to a Host of
Revolutionary JBL Innovations
Carbon Fiber
Composite Cone
Dual Magnetic Gaps
Dynamic Brake Coil
Neodymium Magnet
Aluminum Diecast
Heatsink
Dual Drive Coils
Diecast Frame
JBL’s patented Differential Drive® (left) vs. competitive “High
Performance” transducer (right).
Before JBL set out to solve the problems in the room, we maximized the performance of every component in the system.
OURS THEIRS
Each model in the LSR Line features dramatic technical breakthroughs that have permanently raised the bar for monitor performance. JBL engineers
set out to develop the long-awaited answer to the question: “Why do moni- tors that measure the same sound so different?” The JBL LSR product line
is based on JBL’s technology called Linear Spatial Reference, or LSR. LSR measures a monitor over a sphere that includes all energy radiated into
the listening environment in every direction. Rather than making a single on-axis measurement, JBL measures response from 72 different points in
space. A reference monitor developed with these measurements in mind offers improved performance in a far broader variety of acoustic spaces,
providing a more stable image and less off-axis distortion.
Differential Drive® Technology
The LSR6300 line incorporates the single most significant advance in monitor history: JBL’s patented
Differential Drive Technology.* Providing unparalleled performance, the woofer permanently dispels
the notion that better linearity, higher power handling and greater dynamic accuracy are somehow
unobtainable. JBL’s Differential Drive uses two drive coils with twice the thermal surface area of
traditional speakers. As a result, LSR systems provide higher peak output with less power
compression. This reduces spectral shift that causes monitors to sound different when
driven at different power levels, a long-standing obstacle in monitoring technology.
By reducing the negative thermal-related effects, LSR monitors sound the same
at low, medium and high levels.
Elliptical Oblate Speroidal (EOS) Waveguide
Designed for a targeted listening window of +/- 30 degrees
horizontally and +/- 15 degrees vertically, the EOS provides smooth
response through the entire listening window within 1.5 dB of the
on-axis response. The result: The listener, even far off-axis, can
hear an accurate representation of the on-axis response.
Dynamic Braking
LSR6300 low frequency transducers*
are equipped with an electromagnetic
braking coil that reduces the effects of
extreme excursion with high transient
material. This causes more linear compliance
resulting in lower distortion, more accurate
reproduction and increased reliability.
* Not included in LSR6325P-1
Before JBL set out to solve the problems in the room, we maximized the performance of every component in the system.
C500G Midrange Transducer
The midrange is a 2” neodymium motor with a
5-inch woven Kevlar™ cone. The powerful motor
structure was chosen to support the low
crossover point to the woofer. In order to achieve
the goal of accurate spatial response, the cross-
over points are located at 250 Hz and 2.2 kHz.
These transition points match the
directivity characteristics of the
three transducers for optimum
spatial response. The result:
Absolute pinpoint accuracy.
Composite High Frequency Device
Using patented technology, the 1” magnetically
shielded dome high frequency device incorporates
titanium and composite materials to improve transient
response and reduce distortion. The result: By
reducing distortion in the lower operating range
where the human ear is most sensitive, listener
fatigue is dramatically reduced.
Each model in the LSR Line features dramatic technical breakthroughs that have permanently raised the bar for monitor performance. JBL engineers
set out to develop the long-awaited answer to the question: “Why do moni- tors that measure the same sound so different?” The JBL LSR product line
is based on JBL’s technology called Linear Spatial Reference, or LSR. LSR measures a monitor over a sphere that includes all energy radiated into
the listening environment in every direction. Rather than making a single on-axis measurement, JBL measures response from 72 different points in
space. A reference monitor developed with these measurements in mind offers improved performance in a far broader variety of acoustic spaces,
providing a more stable image and less off-axis distortion.
Specifications
*THX® is a registered trademark of THX Ltd. All rights reserved.
CAT LSR 6300
*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, be certain that it is capable of supporting the weight of the speaker to be mounted.
© 2006 JBL Professional
FEATURES LSR6325P-1 LSR6328P LSR6332 LSR6312SP
LSR Technology Yes Yes Yes - - -
Boundary Compensation 1 Setting 3 Settings No 1 Setting
RMC™ Room Mode Correction No Yes No Yes
Mounting Points* Yes Yes Yes Yes
Magnetic Shielding Yes Yes Yes No
Handles No Yes No No
HF Adjust +1.5 dB / -1.5 dB +1 dB / -1 dB -1 dB - - -
Inputs XLR, RCA XLR, 1/4” Dual 5-way Binding post XLR, 1/4”
SPECIFICATIONS
Frequency Response (+1, -2 dB)
70 Hz - 20 kHz
(+1, -1.5 dB)
50 Hz - 20 kHz
(+1, -1.5 dB)
60 Hz - 22 kHz
(-6 dB)
28 Hz - 80 Hz
Low Frequency Extension -10 dB : 48 Hz -10 dB : 36 Hz -10 dB : 35 Hz -10 dB : 26 Hz
Amplifier Power (LF/HF) 100w/ 50w 250w/120w - - - 260w
SPL (Continuous/Peak) SPL: 106 dB / 109 dB SPL: 108 dB / 111 dB - - - SPL: 112 dB / 115 dB
Long-Term Maximum Power
(Continuous/Peak)
- - - - - - 200w / 800w - - -
Drivers (LF, MF, HF) 5.25” / 1” 8” / 1” 12” / 5” / 1” 12”
Sensitivity 96 dB / 1m 96 dB / 1m 93 dB/2.83 V/1m
(90 dB/1w/1m)
96 dB / 1m
System Impedance - - - - - - 4 ohms - - -
Crossover Frequencies 2.3 kHz 1.7 kHz 250 Hz / 2.2 kHz 80 Hz
Finish black powdercoat dark graphite dark graphite dark graphite
Dimensions (HxWxD) 269 x 173 x 241 mm 406 x 330 x 325 mm 635 x 394 x 292 mm 635 x 394 x 292 mm
10.6 x 6.8 x 9.5 in 16 x 13 x 12.75 in 25 x 15.5 x 11.5 in 25 x 15.5 x 11.5 in
Weight 7.7 kg (17 lb) 17.7 kg (39 lb) 20.4 kg (45 lb) 22.7 kg (50 lb)
THX PM3 Certified* Yes Yes Yes Yes
