JBL

Professional 3678

Screen Channel System

Specifications

Frequency Range (-10dB): 30 Hz to 20 kHz (-10 dB)
Frequency Response (±3 dB): 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 (each): 41 kg (90 lb)
Power Handling (2Hr AES Rating): 300W