Screen Channel System


Screen Channel System
The 3678 screen channel system can be used in either the passive mode or in a bi-amplified system.
THX®-approved for THX system applications.

  • Low Frequency Transducer: One 380 mm (15 in) low frequency driver.
  • High Frequency Transducer: 25 mm (1 in) horn throat diameter, 44 mm (1.75 in) pure titanium diaphragm compression driver.
  • Flat power response 100° x 100° Bi-Radial® horn.
  • Operable in bi-amp or passive mode.
  • Includes adjustable bracket for horn aiming.
  • Shallow profile cabinet minimizes behind-screen space requirements.
  • THX® - approved for THX system installations (biamplified only).

Frequency Range 30 Hz to 20 kHz (-10 dB)
Frequency Response 45 Hz to 12 kHz (+/- 3 dB)
Power Capacity (Continuous Pink Noise) 300 W Passive HF: 50 W Bi-Amp LF:600 W Bi-Amp
Sensitivity 98 dB (1W, 1m)
Nominal Impedance 8 Ohms
Crossover Frequency 1 kHz
Nominal Coverage 90° Horizontal, 90° Vertical
Half-Space Reference Efficiency 3.3%
Maximum Acoustic Power Output 8 Acoustic W (Sine Wave Input)
System Polarity Positive Voltage to RED produces forward cone motion
Input Connectors Barrier Strip Screw Terminals
Dimensions (H x W x D) 1019 (w/horn) x 651 x 292 mm
(40.125 (w/horn) x 25.625 x 11.5 in)
Net Weight 41 kg (90 lb)