The 4642A is a high quality subwoofer system, featuring an advanced technology 460 mm (18"), low frequency transducers mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4642A is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications.

Features

• 1200Watts Continuous Pink Noise, 2400 Watts Continuous Program Power Handling
• Usable response to 22 Hz (-10 dB,no EQ), flat to22 Hz (-3 dB) with External EQ
• 2241HVGC (Vented Gap Cooled) Drivers
• High Sensitivity
• Low Power Compression
• High Maximum-SPL Capability
• Low 2nd and 3rd Harmonic Distortion
• Symmetrical Field Geometry (SFG) Magnet Structure
• Long Excursion Capability
• Approved by Lucasfilm, Ltd. for THX® installations

Specifications

• Low Frequency Drivers: (2) 2241H
• Frequency Range: 22 Hz - 500 Hz (-10dB)
• Power Capacity (Continuous Pink Noise): 1200Watts
• Power Capacity (Continuous Program): 2400Watts
• Sensitivity: 101 dB SPL (1W, 1m,3.3ft.)
• Crossover Frequency: 80-150 Hz recommended
• Nominal Impedance: 4 Ohms
• Dimensions (HxWxD): 30" x 48" x 24" (762 x 1219 x 610 mm)
• Net Weight: 98 kg (216 lb)