JBL PROFESSIONAL

JBL Professional 4642A - Dual 18" Bass-Reflex Cinema Subwoofer (THX Approved)

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SKU: 4642A EAN13: 691991036361
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The JBL 4642A is a high-quality subwoofer system, featuring advanced 460 mm (18 in) low-frequency transducers, mounted in a bass-reflex, direct radiator enclosure for smooth response to the lowest audible frequencies. The 4642A is ideal for low-frequency enhancement of analog or digital soundtracks in movie theaters and for general sound reinforcement applications. Features? 1200 Watts Continuous Pink Noise,? 2400 Watts Continuous Program? Power Handling? Usable response to 22 Hz (-10 dB,? without EQ), flat to 22 Hz (-3 dB) with? external EQ? 2241H VGC™ Vented Space Cooling? Drivers? High Sensitivity? Low Power Compression? High Maximum SPL Capability? Low 2nd and 3rd Harmonics? Distortion? SFG™ Symmetrical Field Geometry? Magnet Structure? Long-distance travel capability? Tested by Lucasfilm, Ltd. for THX® Installations
  • Brand:JBL Professional
  • Model:4642A
  • Guy:Dual 18" passive subwoofer (direct radiator, bass-reflex)
  • LF Transducers:2 × JBL 2241H, 460 mm (18")
  • Driver technologies:Vented Gap Cooling™ (VGC), Symmetrical Field Geometry (SFG™)
  • Nominal impedance:4 Ω
  • Minimum impedance:3.2 Ω
  • Power (AES 100 h):950 W (60 Vrms)
  • Power (AES 2 h):1200 W (69 Vrms)
  • Power program (historical reference):2400 W
  • Sensitivity (2π, 1 W/1 m):100 dB (40–100 Hz)
  • Maximum SPL (1 m, 2π):131 dB continuous / 137 dB peak (single module)
  • Low Frequency Response (without EQ):−10 dB: 22 Hz; −3 dB: 35 Hz
  • Low frequency response (with external EQ):−10 dB: 20 ​​Hz; −3 dB: 22 Hz
  • Site Tuning (Fb):25 Hz
  • Net internal volume:506 L
  • Connectivity:Color-coded pressure terminals
  • Enclosure materials:19 mm thick board; 25 mm baffle and back panel; integral stiffening
  • Dimensions (H × W × D):762 × 1219 × 610 mm
  • Net weight:96 kg
  • Shipping weight:109 kg
  • Recommended filters:HP 20 Hz (≥24 dB/oct.); LP 80–150 Hz (≥12 dB/oct.)
  • System polarity:Positive voltage to the red terminal ⇒ forward movement
  • Certification:Approved by Lucasfilm, Ltd. for THX® installations
  • Applications:Cinema (LFE), auditoriums and large-scale sound reinforcement
  • Type Audio
  • Vendor JBL PROFESSIONAL
  • SKU 4642A
  • Bar-code 691991036361

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