Hãng sản xuất: JBL
Xuất xứ: Trung Quốc
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High Output Indoor/Outdoor Background/Foreground Loudspeaker
The Control® 28 is the largest of JBL Professional’s Control Contractor Series indoor/outdoor loudspeakers.
FEATURES
SPECIFICATIONS
| Frequency Range | 60 Hz to 16 kHz (-10 dB) | |
| Power Capacity | 175 W Continuous Program Power; 87 W Continuous Pink Noise | |
| Sensitivity | 92 dB SPL, 1W, 1m | |
| Directivity Factor (Q) | 7.5 dB | |
| Directivity Index (DI) | 8.8 dB | |
| Nominal Impedance | 8 ohms | |
| Crossover Frequency | 2.8kHz | |
| LF Driver | 200mm (8 in) Polypropylene cone w/ WeatherEdge | |
| HF Driver | 25mm (1 in) Titanium coated polycarbonate | |
| Enclosure Material | HIPS (High Impact Polystyrene) | |
| Overload Protection | Full-Range power limiting to protect network and transducers | |
| Terminations | Spring terminals, accepts banana plug | |
| Dimensions (H x W x D) | 380 x 280 x 220 mm (15.0 x 11.0 x 8.6 in) | |
| Net Weight (ea) | 5.5 kg (12 lb) | |
| Shipping Weight (ea) | 11 kg (25 lb) | |
| Included Accessories | Invisiball Assembly 6mm x 180mm hex key |
