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TIN XEM NHIỀU NHẤT
High Output Indoor/Outdoor Background/Foreground Loudspeaker
The Control® 28 is the largest of JBL Professional’s Control Contractor Series indoor/outdoor loudspeakers.
FEATURES
- Components: 8 in Polypropylene coated woofer, 1 in Titanium coated horn loaded tweeter.
- Built-in InvisiBall® mounting hardware.
- Weather resistant enclosure and transducers.
- Readily paintable.
- 90° x 90° high frequency horn.
- Overload Protection Circuitry.
- Sensitivity: 92 dB SPL, 1 W, 1m.
- *Patents pending worldwide
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 | |
| 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. |
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