High Output Indoor/Outdoor Background/Foreground Loudspeaker
The Control® 28 is the largest of JBL Professional’s Control Contractor Series indoor/outdoor loudspeakers.
The Control® 28 is the largest of JBL Professional’s Control Contractor Series indoor/outdoor loudspeakers.
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频率范围 | 60 Hz to 16 kHz (-10 dB) |
功率容量 | 175 W Continuous Program Power; 87 W Continuous Pink Noise |
灵敏度 |
92 dB SPL, 1W, 1m |
Directivity Factor (Q) | 7.5 dB |
Directivity Index (DI) | 8.8 dB |
标称阻抗 | 8 ohms |
分频点 | 2.8kHz |
低频驱动单元 | 200mm (8 in) Polypropylene cone w/ WeatherEdge |
HF 驱动程序 | 25mm (1 in) Titanium coated polycarbonate |
音箱材料 | HIPS (High Impact Polystyrene) |
Overload Protection | Full-Range power limiting to protect network and transducers |
Terminations | Spring terminals, accepts banana plug |
尺寸(高 x 宽 x 厚) | 380 x 280 x 220 mm (15.0 x 11.0 x 8.6 in) |
Net Weight (each) | 5.5 kg (12 lb) |
Shipping Weight (ea) | 11 kg (25 lb) |
随附配件 |
Invisiball Assembly 6mm x 180mm hex key |
Optional Accessories | MTC-28V: For vertical columnar orientation of up to 3 loudspeakers MTC-28H: For horizontal splaying of two speakers. Three brackets array up to six loudspeakers in a 360° array. MTC-28/25CM: Ceiling-mount adapter MTC-28SSG:Stainless Steel Grille for harsh environments. Available in silver, black (-BK) or white (-WH) MTC-28WMG:WeatherMax™ Stainless Steel Grille protects against driving precipitation. Available in black or white (-WH) MTC-PC2: Input panel cover protects input terminals in outdoor environments. |