高输出室内/室外背景/前景扬声器
Control® 28是JBL Professional的Control Contractor系列室内/室外扬声器中最大的型号。
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特点
- 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
下载
文档
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Control Contractor Brochure
更新: 4月 2026
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1.7 MB |
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Control 28 Spec Sheet
更新: 4月 2026
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1.3 MB |
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Control Contractor Surface Mount Owners Manual
更新: 4月 2026
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2.0 MB |
Specifications
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1.3 MB |
Manuals
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65.0 KB |
Brochures
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23.0 MB |
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21.0 MB |
CAD Drawings
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110.5 KB |
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2.4 MB |
Compliances
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179.3 KB |
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130.9 KB |
Software
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611.8 KB |
Simulation Data
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21.0 MB |
Install Guides
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58.7 KB |
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52.4 KB |
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5.1 MB |
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76.4 KB |
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227.1 KB |
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37.6 KB |
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27.4 KB |
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零件与服务
性能
| 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. |
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