JBL 3678 Screen Channel System
Features
- 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).
Specifications
- 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)
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