User manual JBL LS 120P

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Manual abstract: user guide JBL LS 120P

Detailed instructions for use are in the User's Guide.

[. . . ] 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. 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 highand 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. [. . . ] 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 the proprietary JBL Bi-Radial horn delivers precise imaging with strict directivity for highly realistic on- and off-axis response to 40kHz. The graceful curves of the LS horn baffle maximize clarity by preventing any interference between the HF and UHF drivers. THE UHF RING TWEETER. The 015M ring tweeter features an exceedingly fast, highly rigid 19mm polyimide diaphragm driven by a ferrofluidcooled neodymium magnet that 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. THE HF COMPRESSION DRIVER. An expressive 176Nd compression driver with a 50mm titanium diaphragm and lightweight aluminum voice coil delivers superior high-frequency response, and a ferrofluidinjected neodymium magnet structure provides improved power-handling capability. THE PURE PULPCONE WOOFERS. 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 he's a relative JBL newcomer, he already has a number of innovative systems to his credit, including JBL Cinema VisionTM, Venue®, JBL Cinema Sound and JBL Control NOWTM. 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. LS40 Frequency Response (­3dB) Max. Recommended Amplifier Power* Power Handling (Continuous/Peak) Sensitivity (2. 83V/1m) Nominal Impedance Crossover Frequencies Low-Frequency Transducer High-Frequency Transducer 50Hz ­ 38kHz 150W 75W/300W 87dB 6 Ohms 2. 6kHz ­ 24dB/octave; 7kHz ­ 24dB/octave 165mm (6-1/2") with castaluminum frames, shielded 50mm (2") Pure-titanium compression driver; Bi-Radial® horn 19mm (3/4") Polyester-film ring radiator; neodymium magnet; EOS waveguide 499mm x 222mm x 343mm (19-5/8" x 8-3/4" x 13-1/2") 13. 5kg (29. 8 lb) LS60 48Hz ­ 38kHz 150W 75W/300W 87dB 6 Ohms 400Hz ­ 6dB/octave; 2kHz, 8kHz ­ 24dB/octave LS80 46Hz ­ 38kHz 200W 100W/400W 90dB 6 Ohms 400Hz ­ 6dB/octave; 2. 5kHz, 8kHz ­ 24dB/octave LSCENTER 85Hz ­ 38kHz 150W 75W/300W 88dB 6 Ohms 2. 5kHz ­ 24dB/octave; 9kHz ­ 24dB/octave Dual 165mm (6-1/2") with castaluminum frames, shielded 50mm (2") Pure-titanium compression driver, shielded; Bi-Radial® horn 19mm (3/4") Polyester-film ring radiator; neodymium magnet; EOS waveguide 230mm x 672mm x 235mm (9" x 26-1/2" x 9-1/4") 14. 4kg (31. 7 lb) Dual 165mm (6-1/2") with cast- Dual 200mm (8") with castaluminum frames, shielded aluminum frames, shielded 50mm (2") Pure-titanium compression driver; Bi-Radial® horn 19mm (3/4") Polyester-film ring radiator; neodymium magnet; EOS waveguide 1017mm x 222mm x 343mm (40" x 8-3/4" x 13-1/2") 26. 6kg (58. 6 lb) 50mm (2") Pure-titanium compression driver; Bi-Radial® horn 19mm (3/4") Polyester-film ring radiator; neodymium magnet; EOS waveguide 1117mm x 259mm x 418mm (44" x 10-3/16" x 16-1/2") 35. 6kg (78. 5 lb) Ultrahigh-Frequency Transducer Dimensions With Grille (H x W x D) Weight per Speaker LS SERIES SPECIFICATIONS. LS120P Frequency Response Amplifier RMS Power Amplifier Peak Dynamic Power Crossover Frequencies Driver Dimensions With Grille (H x W x D) Weight 25Hz ­ 150Hz 400W 700W 50Hz ­ 150Hz; 24dB/octave, continuously variable 300mm (12") PolyPlasTM 510mm x 375mm x 438mm (20-1/16" x 14-3/4" x 17-1/4") 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. PRO SOUND COMES HOMETM Harman Consumer Group, Inc. 250 Crossways Park Drive, Woodbury, NY 11797 8500 Balboa Boulevard, Northridge, CA 91329 www. jbl. com © 2008 Harman International Industries, Incorporated. [. . . ] Recommended Amplifier Power* Power Handling (Continuous/Peak) Sensitivity (2. 83V/1m) Nominal Impedance Crossover Frequencies Low-Frequency Transducer High-Frequency Transducer 50Hz ­ 38kHz 150W 75W/300W 87dB 6 Ohms 2. 6kHz ­ 24dB/octave; 7kHz ­ 24dB/octave 165mm (6-1/2") with castaluminum frames, shielded 50mm (2") Pure-titanium compression driver; Bi-Radial® horn 19mm (3/4") Polyester-film ring radiator; neodymium magnet; EOS waveguide 499mm x 222mm x 343mm (19-5/8" x 8-3/4" x 13-1/2") 13. 5kg (29. 8 lb) LS60 48Hz ­ 38kHz 150W 75W/300W 87dB 6 Ohms 400Hz ­ 6dB/octave; 2kHz, 8kHz ­ 24dB/octave LS80 46Hz ­ 38kHz 200W 100W/400W 90dB 6 Ohms 400Hz ­ 6dB/octave; 2. 5kHz, 8kHz ­ 24dB/octave LSCENTER 85Hz ­ 38kHz 150W 75W/300W 88dB 6 Ohms 2. 5kHz ­ 24dB/octave; 9kHz ­ 24dB/octave Dual 165mm (6-1/2") with castaluminum frames, shielded 50mm (2") Pure-titanium compression driver, shielded; Bi-Radial® horn 19mm (3/4") Polyester-film ring radiator; neodymium magnet; EOS waveguide 230mm x 672mm x 235mm (9" x 26-1/2" x 9-1/4") 14. 4kg (31. 7 lb) Dual 165mm (6-1/2") with cast- Dual 200mm (8") with castaluminum frames, shielded aluminum frames, shielded 50mm (2") Pure-titanium compression driver; Bi-Radial® horn 19mm (3/4") Polyester-film ring radiator; neodymium magnet; EOS waveguide 1017mm x 222mm x 343mm (40" x 8-3/4" x 13-1/2") 26. 6kg (58. 6 lb) 50mm (2") Pure-titanium compression driver; Bi-Radial® horn 19mm (3/4") Polyester-film ring radiator; neodymium magnet; EOS waveguide 1117mm x 259mm x 418mm (44" x 10-3/16" x 16-1/2") 35. 6kg (78. 5 lb) Ultrahigh-Frequency Transducer Dimensions With Grille (H x W x D) Weight per Speaker LS SERIES SPECIFICATIONS. LS120P Frequency Response Amplifier RMS Power Amplifier Peak Dynamic Power Crossover Frequencies Driver Dimensions With Grille (H x W x D) Weight 25Hz ­ 150Hz 400W 700W 50Hz ­ 150Hz; 24dB/octave, continuously variable 300mm (12") PolyPlasTM 510mm x 375mm x 438mm (20-1/16" x 14-3/4" x 17-1/4") 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. PRO SOUND COMES HOMETM Harman Consumer Group, Inc. 250 Crossways Park Drive, Woodbury, NY 11797 8500 Balboa Boulevard, Northridge, CA 91329 www. jbl. com © 2008 Harman International Industries, Incorporated. JBL, Bi-Radial, K2, Simply Cinema and Venue are trademarks of Harman International Industries, Incorporated, registered in the United States and/or other countries. [. . . ]

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