Sound Technology

3731 (T)

Three-Way Biamplified or Triamplified (T) ScreenArray Loudspeaker System

SRP from £880.00 + VAT
Where to buy

The 3731 and 3731-T feature true three-way system design enhanced for critical film sound reproduction in small to medium cinema enviroments.  The system comes as a bi-amplfied (3731) or tri-amplified (3731-T) solution.  The latter is THX-certified.

  • Three-way Screen Array® design for maximum output, optimal coverage, and minimum distortion
  • One 380 mm (15") Vented Gap Cooled (VGC™) LF Transducer
  • Triamplified (T) or Biamplified operation
  • Approved for THX® certified applications (3731T)
  • M/HF ships fully assembled
  • Second Generation Optimized Aperture Waveguide technology for ultra-low distortion, and extremely uniform frequency response
  • SSCTM Screen Spreading Compensation
  • Focused Coverage Technology™
  • Flat-front waveguide design for easy baffle wall installation
  • Shallow depth for minimum behind screen requirements
  • Low profile design with 600W LF
Frequency Range30 Hz - 20 kHz
Frequency Response40 Hz - 19 kHz
System Sensitivity103 dB, 2.83V @ 1m (3.3 ft)
Rated Maxium SPL125 dB @ 1m (3.3 ft), 131 dB peak
System Input Power RatingLF: 600 watts, M/HF: 150 watts [HF: 85 watts]
Hor. Coverage Angle (-6 dB)90°
Vert. Coverage Angle (-6 dB)20° up, 30° down
Directivity Factor (Q)10.0
Directivity Index (DI)10 dB
Crossover Frequencies350 Hz [1.2 kHz]
Dimensions (HxWxD)1600 mm x 762 mm x 450 mm (63 in x 30 in x 17.75 in)
Net Weight51.8 kg (114 lbs)
Shipping Weight64.0 kg (141 lbs)
SKU Image Name Colour/description
JBL0850 3732-M/HF 3732-M/HF Bi-amped mid/high-frequency section
JBL0851 3732-M/HF-T 3732-M/HF-T Tri-amped mid/high-frequency section
JBL0415 5641 5641 Low-frequency section