高输出室内/室外背景音乐/前景扬声器
Control® 28T 是 JBL Professional Control 承包商系列中最大的室内/室外扬声器。
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特点
- 70.7 V / 100 V 分布式音线系统用隔离变压器。
- 配置：8 英寸聚丙烯涂层低音单元、1 英寸钛涂层号筒式高音单元。
- 内置 InvisiBall® 安装硬件*。
- 防水外壳及换能器。
- 易于涂装。
- 90° × 90° 高频号筒。
- 过载保护电路。
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 28T-60 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 |
Software
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611.8 KB |
Compliances
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179.3 KB |
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130.9 KB |
Install Guides
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58.7 KB |
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52.4 KB |
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37.6 KB |
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76.4 KB |
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227.1 KB |
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27.4 KB |
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零件与服务
性能
| 频率范围 | 55Hz to 15kHz (-10 dB) |
| 功率容量 | 175 W Continuous Program Power; 87 W Continuous Pink Noise |
| 变压器抽头 | 100 V Line:60 W, 30 W, 15 W 70 V Line: 60 W, 30 W, 15 W, 7.5 W |
| Nominal Max Output by Tap:(dB-SPL @ 1m) 100V Input | Tap#1: 102 dB, Tap#2: 105 dB, Tap#3: 107 dB, Tap#4: (do not use) |
| Nominal Max Output by Tap:(dB-SPL @ 1m) 70.7V Input | Tap#1: 99 dB, Tap#2: 102 dB, Tap#3: 105 dB, Tap#4: 107 dB |
| 覆盖角度 | 90° x 90° |
| Directivity Factor (Q) | 7.5 dB |
| Directivity Index (DI) | 8.8 dB |
| 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 |
| 端接 | Spring terminals, accepts banana plug |
| 环境 | Conforms to Mil Spec 810 for humidity, salt spray,temperature & UV. IEC 529 IP-X4 splashproof rating. |
| 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) | 6.5kg (14.3 lb) |
| Shipping Weight (ea) | 15kg (33 lb) |
随附配件 |
Invisiball Assembly 6mm x 180mm hex key |
| Optional Accessories | MTC-28SSG: Stainless Steel Grille, Silver, black (-BK) or White (-WH)MTC-28WMG: Weather Max Grille with backing to break up drivig rain.MTC-28CM: Ceiling-Mount Adapter.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. |
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