The UK's leading Integrator and Equipment
Installer for the Digital Cinema Industry

JBL

JBL Professional offers a wide and cost-effective range of solutions for cinema sound and the legendary Control 1 speaker remains a Sound Associates favourite for smaller auditoriums. JBL Professional offers three complete lines of enclosed cinema loudspeaker systems that meet the needs of any cinema application.

Sound Associates have used JBL speakers across all types of cinema rooms – including large and small auditoriums, a number of custom installations, renovations and retrofits

4641

The JBL Model 4641 is a high quality subwoofer system, featuring an advanced technology 460 mm (18 in), low frequency transducer mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4641 is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications.

Features:

  • 600 Watts Continuous Pink Noise, 1200 Watts Continuous Program Power Handling.
  • Usable response to 25 Hz (-10 dB, no EQ), flat to 25 Hz (-3 dB) with External EQ.
  • 2241H VGCTM Vented Gap Cooled Driver – High Sensitivity – Low Power Compression – High Maximum-SPL Capability – Low 2nd and 3rd Harmonic – Distortion – Symmetrical Field Geometry SFGTM – Magnet Structure – Long Excursion Capability.
  • Approved by Lucasfilm, Ltd. for THX® installations.

Specification:

  • Transducer: JBL Model 2241H 460 mm (18 in) Low Frequency Transducer.
  • Rated Impedance: 8 ohms.
  • Minimum Impedance: 6.3 ohms.

Power Handling Capability: -

  • Continuous Pink Noise: 600 Watts.
  • Continuous Program: 1200 Watts.
  • Peak Power: 2400 Watts.

Output Capacity: -

  • Axial Sensitivity: 50 Hz to 500 Hz; 98 dB, 1W @ 1m. 40 Hz to 100 Hz; 97 dB, 1W @ 1m

Power Compression: -

  • At -10 dB power (60 W): 0.8 dB.
  • At -3 dB power (300 W): 2.6 dB.
  • At rated power (600 W): 4.3 dB.
  • Recommended Crossover Frequencies: High-pass: 20 Hz, 24 dB/octave or greater. Low-pass: 80 Hz to 150 Hz, 12 dB/octave or greater.
  • Net Weight:60 kg (131 lbs.).
  • Dimensions H x W x D: 1010 mm x 674 mm x 450 mm. 39.75 in x 26.5 in x 17.75 in.
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