JBL Speaker System LS Series User Manual

LS SERIES  
SPEAKER SYSTEMS  
BUILDING ON THE LEGACY,  
SETTING A HIGHER STANDARD.  
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ADVANCED ENGINEERING MEETS EXQUISITE CRAFTSMANSHIP.  
LS enclosures are more than just beautiful to look at: The wedge shape and gently curving side panels prevent unwanted  
internal resonance. High-mass MDF construction minimizes sound coloration. A curved lower baffle prevents acoustic  
interference with the lower woofer, while gracefully transitioning into the gloss-finish, streak-ebony side panels, which are  
finished in a rich mahogany shade.  
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SHOUTS AND WHISPERS:  
THE LS EXPERIENCE.  
The ideal home audio system doesn’t favor music over movies, or small rooms over larger ones. The ideal home audio system has the raw power to  
reproduce bass and midrange frequencies without any effort or distortion at any listening level, as well as the finesse to deliver brilliantly clean high-  
and ultrahigh-frequency sound directly to your ears, undiminished by interaction with walls and furniture.  
In the high frequencies, LS Series speakers employ a constant-directivity HF compression driver and UHF ring tweeter in a unique computer-optimized  
baffle that suppresses phase interference and signal loss. The realism of low-frequency sound is heightened with high-performance dual pulp-cone  
woofers in a staggered network design for exceptionally rich bass response. Working together, these technologies ensure that LS Series speakers  
render “out-of-this-world” action sequences and delicate, otherworldly musical passages with equal clarity and accuracy.  
Music and movies are made to be enjoyed, and LS Series speakers are engineered to ensure that you’ll enjoy them to their fullest, whatever your  
taste in entertainment may be.  
60 YEARS OF BREAKING NEW GROUND: THE LS TECHNOLOGIES.  
THE BI-RADIAL  
HORN. The proven design of TWEETER. The 015M ring COMPRESSION  
the proprietary JBL Bi-Radial horn tweeter features an exceedingly  
delivers precise imaging with fast, highly rigid 19mm polyimide  
strict directivity for highly realistic diaphragm driven by a ferrofluid-  
on- and off-axis response to 40kHz. cooled neodymium magnet that  
The graceful curves of the LS horn  
baffle maximize clarity by  
preventing any interference  
between the HF and UHF drivers.  
THE UHF RING  
THE HF  
THE PURE PULP-  
CONE WOOFERS.  
Dual pure-pulp-cone woofers  
provide exceptionally rich, realistic  
THE CROSSOVER  
NETWORK. In LS80  
and LS60 speakers, a staggered  
network design divides bass and  
mid-bass frequencies between  
identical woofers, enhancing  
DRIVER. An expressive  
176Nd compression driver with  
a 50mm titanium diaphragm and bass and mid-bass reproduction.  
lightweight aluminum voice coil  
delivers superior high-frequency  
response, and a ferrofluid-  
injected neodymium magnet  
structure provides improved  
power-handling capability.  
A heat-resistant, high-excursion  
provides outstanding heat  
resistance. The tweeter’s  
diaphragm, surround and  
voice-coil superstructure is  
molded as a single piece to  
minimize signal loss. An  
oval-shaped short horn and  
bullet-shaped center equalizer  
control energy attenuation  
caused by phase interference,  
for smoother overall response.  
Kapton® voice coil with center-pole low-end response and smoothing  
vent minimizes distortion and power the transition to the HF driver.  
compression at high output levels, The networks employ three  
even over extended periods.  
types of capacitors, including a  
polypropylene film capacitor, for  
detailed musical expression and  
dynamics. Gold-plated HF and LF  
binding posts allow for bi-wiring.  
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-
A 60 YEAR LOVE AFFAIR WITH  
MOVIES AND MUSIC.  
1940s  
1950s  
1960s  
1970s  
1980s  
1990s  
TODAY  
NYLON  
BLUE SUEDE  
SHOES,  
MCCARTHY,  
THE ELECTRIC  
MUSCLE CARS,  
WOODSTOCK,®  
SPACE.The legendary  
4320 speaker is introduced, and  
becomes the definitive studio  
monitor of its day. After the  
Woodstock® festival in 1969, JBL  
equipment becomes standard at  
rock concerts around the world.  
POLYESTER,  
WATERGATE,  
SATURDAY  
MIAMI VICE,®  
GEN X,  
THE FIRST NEW  
STOCKINGS,  
FILM NOIR,  
THE DAWN OF  
MASTERS OF THE DOTCOMS, DVD. PRODUCT SERIES  
UNIVERSE,® MTV.® THX® theater installations are  
CREATED IN  
dominated by JBL speakers, while CELEBRATION  
NIGHT FEVER.®  
JBL studio monitors are ranked  
Number One by Billboard  
magazine. And the L100, a  
consumer version of the 4320,  
is introduced, bringing JBL Pro  
technology home for the first time.  
The L100 becomes one of the best-  
selling speakers of the decade.  
The Academy of Motion Picture  
Arts and Sciences chooses JBL  
components to introduce 70mm  
Dolby® stereo in showcase  
AUDIO. James B. Lansing, GUITAR. The JBL brand  
near-field studio monitors take  
the lead in 5.1 and 7.1 sound  
mixing and mastering. And the  
OF THE JBL 60TH  
ANNIVERSARY.  
JBL LS Series loudspeakers put  
who led the team that first  
brought sound to movies, strikes  
out on his own, founding JBL.  
Among the company’s first  
products is a high-frequency  
transducer that’s still being  
used by audio professionals  
today, unchanged after more  
than 60 years.  
becomes the clear choice in studio  
and theater sound. Leo Fender  
chooses the JBL D130 transducer  
to amplify his electric guitar. The  
pioneering JBL Hartsfield speaker  
introduces true high fidelity to  
homes everywhere.  
theaters. JBL titanium diaphragms JBL Simply Cinema® system, the classic high-end JBL technologies  
and Bi-Radial horns are introduced original “one box” home theater to work, bringing breathtaking  
in professional studio monitors;  
these technologies will soon  
appear on the home front.  
solution, is introduced.  
new life and depth to home  
entertainment in all its forms.  
Woodstock, Saturday Night Fever, Miami Vice, Masters of the Universe and MTV are trademarks of their respective companies in the U.S. and other countries  
and are not associated or affiliated with Harman International Industries, Incorporated.  
THE ARCHITECTS.  
The LS Series is the work of a team of talented engineers and designers led by Charles Sprinkle, JBL systems engineer, and  
Daniel Ashcraft, chief creative officer of Ashcraft Design.  
A lifelong audio enthusiast with a particular interest in compression transducers and horns, Sprinkle worked as an engineering intern  
at Harman International prior to receiving his degree in 2003. And although hes a relative JBL newcomer, he already has a number of  
innovative systems to his credit, including JBL Cinema Vision, Venue®, JBL Cinema Sound and JBL Control NOW. For the LS Series,  
Sprinkle developed an improved horn design and new low-frequency transducers to achieve his goal of acoustical integration.  
Sprinkle worked closely with Daniel Ashcraft, who as head of his own design firm has played a key role in JBL industrial-design  
efforts for more than 20 years. A graduate of the Art Center College of Design, Ashcraft co-developed the legendary JBL Project  
Everest DD55000 system in 1986 and the original Project K2 S9500 in 1988, as well as their successors, the K2 S9800 in 2000  
and the Everest DD66000 in 2006.  
With the LS Series, Sprinkle and Ashcraft have succeeded in creating a visually stunning loudspeaker system with exceptionally lifelike,  
effortless sound.  
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LS40  
50Hz – 38kHz  
150W  
LS60  
48Hz – 38kHz  
150W  
LS80  
46Hz – 38kHz  
200W  
LSCENTER  
85Hz – 38kHz  
150W  
Frequency Response (–3dB)  
Max. Recommended Amplifier Power*  
Power Handling (Continuous/Peak)  
Sensitivity (2.83V/1m)  
75W/300W  
87dB  
75W/300W  
87dB  
100W/400W  
90dB  
75W/300W  
88dB  
Nominal Impedance  
6 Ohms  
6 Ohms  
6 Ohms  
6 Ohms  
Crossover Frequencies  
2.6kHz – 24dB/octave;  
7kHz – 24dB/octave  
400Hz – 6dB/octave;  
2kHz, 8kHz – 24dB/octave  
400Hz – 6dB/octave;  
2.5kHz, 8kHz – 24dB/octave  
2.5kHz – 24dB/octave;  
9kHz – 24dB/octave  
Low-Frequency Transducer  
High-Frequency Transducer  
165mm (6-1/2") with cast-  
aluminum frames, shielded  
Dual 165mm (6-1/2") with cast- Dual 200mm (8") with cast-  
Dual 165mm (6-1/2") with cast-  
aluminum frames, shielded  
aluminum frames, shielded  
aluminum frames, shielded  
50mm (2") Pure-titanium  
compression driver;  
Bi-Radial® horn  
50mm (2") Pure-titanium  
compression driver;  
Bi-Radial® horn  
50mm (2") Pure-titanium  
compression driver;  
Bi-Radial® horn  
50mm (2") Pure-titanium  
compression driver, shielded;  
Bi-Radial® horn  
Ultrahigh-Frequency Transducer  
19mm (3/4") Polyester-film  
ring radiator; neodymium  
magnet; EOS waveguide  
19mm (3/4") Polyester-film  
ring radiator; neodymium  
magnet; EOS waveguide  
19mm (3/4") Polyester-film  
ring radiator; neodymium  
magnet; EOS waveguide  
19mm (3/4") Polyester-film  
ring radiator; neodymium  
magnet; EOS waveguide  
Dimensions With Grille  
(H x W x D)  
499mm x 222mm x 343mm  
(19-5/8" x 8-3/4" x 13-1/2")  
1017mm x 222mm x 343mm  
(40" x 8-3/4" x 13-1/2")  
1117mm x 259mm x 418mm  
(44" x 10-3/16" x 16-1/2")  
230mm x 672mm x 235mm  
(9" x 26-1/2" x 9-1/4")  
Weight per Speaker  
13.5kg (29.8 lb)  
26.6kg (58.6 lb)  
35.6kg (78.5 lb)  
14.4kg (31.7 lb)  
LS SERIES SPECIFICATIONS.  
LS120P  
Frequency Response  
25Hz – 150Hz  
Amplifier RMS Power  
400W  
Amplifier Peak Dynamic Power†  
700W  
Crossover Frequencies  
50Hz – 150Hz;  
24dB/octave, continuously variable  
Driver  
300mm (12") PolyPlas™  
Dimensions With Grille  
(H x W x D)  
510mm x 375mm x 438mm  
(20-1/16" x 14-3/4" x 17-1/4")  
Weight  
25.8kg (57 lb)  
* The maximum recommended amplifier power rating will ensure proper system headroom to  
allow for occasional peaks. We do not recommend sustained operation at these maximum  
power levels.  
The Peak Dynamic Power is measured by recording the highest center-to-peak voltage  
measured across the output of a resistive load equal to minimum impedance of the transducer,  
using a 50Hz sine wave burst, 3 cycles on, 17 cycles off.  
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PRO SOUND  
COMES HOME™  
Harman Consumer Group, Inc.  
250 Crossways Park Drive, Woodbury, NY 11797  
8500 Balboa Boulevard, Northridge, CA 91329  
© 2008 Harman International Industries, Incorporated. All rights reserved.  
JBL, Bi-Radial, K2, Simply Cinema and Venue are trademarks of Harman International Industries, Incorporated, registered in  
the United States and/or other countries. Pro Sound Comes Home, JBL Control NOW, JBL Cinema Vision and PolyPlas are  
trademarks of Harman International Industries, Incorporated.  
Dolby is a registered trademark of Dolby Laboratories.  
Kapton is a registered trademark of E.I. du Pont de Nemours and Company.  
THX is a trademark of THX Ltd., which may be registered in some jurisdictions. All rights reserved.  
Features, specifications and appearance are subject to change without notice.  
Designed, edited and digitally produced by the Harman Consumer Group Marketing & Design Center, Woodbury, NY, USA.  
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21.05.2008 10:33:13 Uhr  

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