高天花板扬声器
Control 47HC 采用窄 75° 覆盖范围,非常适合用于高混响空间和高天花板应用。这种聚焦的覆盖范围有助于最小化声音在房间表面的反射,以及相邻扬声器产生的时间到达异常现象,从而提高语音清晰度。Control 47HC 具有与 Control 47C/T 相同的音质特性,非常适合繁忙的交通运输枢纽或大型会议中心空间。
Control 47HC 采用窄 75° 覆盖范围,非常适合用于高混响空间和高天花板应用。这种聚焦的覆盖范围有助于最小化声音在房间表面的反射,以及相邻扬声器产生的时间到达异常现象,从而提高语音清晰度。Control 47HC 具有与 Control 47C/T 相同的音质特性,非常适合繁忙的交通运输枢纽或大型会议中心空间。
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| 频率范围 | 55 Hz - 17 kHz |
| 额定功率 | IEC System Long-Term Ratings (low-Z direct): 150 Watts Continuous Program Power 75 Watts Continuous Pink Noise (300W peak), 100 hrs |
灵敏度 |
93 dB (1kHz - 16 kHz) |
| 变压器抽头 | 60 W, 30 W, 15 W, (& 7.5 W @ 70 V), plus transformer bypass |
| 覆盖角度 | 75° conical, constant directivity |
| 阻抗 | 8 ohms (in bypass mode) |
| Drivers | LF Driver: 165 mm (6.5 in) HF Driver: 25 mm (1 in) |
| 输入接口 | Two removeable locking 2-pin connectors with screwdown terminals. |
随附配件 |
C-rings, tile rails, paint shield, cutout template, Grille |
| Suspension Tabs | Three, on top panel |
| Dimensions (Diameter x Depth) | 332mm Diameter x 351mm Diameter Depth (13.1 in x 13.8 in) |
| Maximum SPL (1m) | 112 dB (low-impedance, 118 dB peak) 111 dB (top 70V/100V tap) |
| 颜色 | White |
| Safety Agency | Suitable for use in air handling spaces per UL1480, UL2043, NFPA90 & NFPA 70. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849. |
| Backcan | formed steel (included "blind-mount") |
| Baffle/Rim | ABS baffle with UL94-V0 flame class fire rating. |
| Ceiling Cutout Size | 307 mm Diameter (12.1 in) diameter (cardboard cutout template included) |
| Optional Accessories | MTC-19NC New Construction Bracket MTC-19MR Mud Ring Construction Bracket |
| Plenum Usage | Yes, backcan included |
MTC-48TRx12 是一款配件瓷砖导轨,用于将 JBL 的多款吸顶扬声器安装到悬挂式天花板应用中的 4 英尺 x 4 英尺
(1200 x 1200 毫米;48 x 48 英寸) 天花板瓷砖中。
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Commercial audio designers and consultants have many choices when selecting the right manufacturer, product and solution to fulfill the unique requirements of each client’s particular installed audio application. The JBL Control Contactor Series was developed specifically to target these users with purpose-built ceiling, pendant, in-wall,
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