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Home > SPEAKERS > SUBWOOFERS
JBL 4645C Subwoofer System
JBL 4645C Subwoofer System
Price
Your Price:
$1,453.00
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Description
JBL 4645C Subwoofer System
 

The JBL Model 4645C is a high quality subwoofer system, featuring an advanced technology 460 mm (18 in), low frequency transducer mounted ina direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4645C is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications.

 

Transducer:

The 2242H transducer utilizes the patented Vented Gap Cooling (VGC) process*, which pumps air through the magnetic gap and directly over and around the voice coil, providing immediate heat transfer and a

reduction in operating temperature. This increases power handling while reducing power compression.

The 2242H utilizes a rugged 100 mm (4 in) diameter voice coil and incorporates a large motor structure

with a pole piece that extends both above and below the top plate to improve gap flux symmetry and

increase thermal conductivity. This magnet structure and the use of a voice coil with one-third more

exposed area than in former designs, provides the 2242H with very effective heat sinking, enabling the system to carry an 800 watt continuous AES pink noise power rating.
 

Key Features:

  • 800 Watts Continuous Pink Noise, 1600 Watts Continuous Program Power Handling
  • Usable response to 22 Hz (-10 dB, no EQ), flat to 22 Hz (-3 dB) with External EQ
  • 2242H SVG (Super Vented Gap) Cooled Driver
    High Sensitivity
    Minimal Power Compression
    Highest Maximum-SPL Capability
    Extremely Low 2nd and 3rd Harmonic Distortion
    Symmetrical Field Geometry (SFG) Magnet Structure
    Extended Excursion Capability
  • Approved by Lucasfilm, Ltd. for THX® installations

Specifications:

  • Low Frequency Driver: 2242H
  • Frequency Range: 22 Hz - 500 Hz (-10 dB)
  • Power Capacity (Continuous Pink Noise): 800 Watts
  • Power Capacity (Continuous Program): 1600 Watts
  • Sensitivity: 99 dB SPL (1W, 1m, 3.3ft.)
  • Crossover Frequency: 80-150 Hz recommended
  • Nominal Impedance: 8 Ohms
  • Dimensions (HxWxD): 39.75" x 26.5" x 17.75" (1010 x 674 x 450 mm)
  • Net Weight: 63 kg (138 lb)

 

 
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