K2 S9900

3-way 15" (380mm) Floorstanding Loudspeaker

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K2 S9900

Project K2 S9900, one of the most advanced and sophisticated loudspeakers in the world today, is the latest expression in technology that is deeply rooted in more than 60 years of tradition. Like the Paragon and Hartsfield, the K2 S9900 was built around compression driver technology and addressed a more refined stereo image than was previously considered technically feasible. The K2 S9900 continues the tradition of the K2 S9800 and also incorporates key design elements from the Project Everest. Despite its 21st century power and sophistication, Project K2 S9900 is a synthesis of tradition and technology.

Main Features

  • 15-inch woofer with Alnico magnet and 100 mm voice coil, cast frame and 16 kg motor structure
  • High frequency compression driver and horn with 4-inch magnesium diaphragm
  • Precision-molded Sonoglass® HF horn throat section integrated with curved baffle
  • Ultra-High Frequency compression driver with1-inch beryllium diaphragm
  • Sonoglass® UHF horn mated to a die-cast aluminum housing
  • Separate crossover boards for each frequency section
  • Heavily-braced curved front and rear enclosure eliminates cabinet-induced coloration
  • Available in Wood Grain, Black Zebra Wood, and six high-gloss automotive-grade paint finishes: Black Gloss, Polar White, JBL Orange, Rosso Corsa, Tungsten Silver Metallic, British Racing Green Metallic, and Sapphire Blue Metallic



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Specifications

Print Specifications
Description 3-Way 15″ Floorstanding Loudspeaker
Frequency Response 48Hz – 50 kHz
Low Frequency Extension 33Hz
Recommended Amplifier Power 500 Watts
Sensitivity (2.83V @ 1m) 93dB
Nominal Impedance 8 ohms, 7 ohms minimum at 100Hz, 4 ohms minimum at 40 kHz
Crossover Frequencies (Hz) 900Hz (24dB/octave) 15 kHz (24dB/octave, high-pass only)
Ultrahigh-frequency Drive Components 1” (25mm) Magnesium compression driver (045Be-1)
High-frequency Drive Components 4” (100mm) Magnesium compression driver (476Mg)
Low-frequency Drive Components 15” (380mm) Pulp-cone woofer (1500AL-1)
Height 47-5/16″ (1200mm) Plus 0.8” (20mm) for feet
Width 22″ (560mm)
Depth 13-13/16” (350mm)
Weight

182 lb (82.7kg

Finishes Available in Wood Grain, Black Zebra Wood, and six high-gloss automotive-grade paint finishes: Black Gloss, Polar White, JBL Orange, Rosso Corsa, Tungsten Silver Metallic, British Racing Green Metallic, and Sapphire Blue Metallic


Awards & Reviews

Temptation Award Logo2017 What Hi Fi, Product of the Year Award (UK)

2017 What Hi Fi 5 Star award and review (UK)

2010 ADEX, “Award for Design Excellence”, Gold Award, Design Journal

2009 “Golden Sound Grand Prix” Award, Stereo Sound (Japan)

2009 “Outstanding Overall Performance Home Theater System” Award for the JBL Synthesis K2 System, Sound Concepts Ltd. (China)

2009 “Premium Home Theater System” Award for the JBL Synthesis K2 System, Home Theater Tech (China)

2009 News Article by Gary Reber, Widescreen Review