双8英寸2分频高输出号筒式扬声器,60° x 40°号筒
PD764i精确指向性™扬声器在超出单驱动器设计范围的投射距离处提供高效能的声音扩强。单个模块在50米(165英尺)的距离处可产生超过104 dB SPL(持续)。PD764i可与其他PD系列模块组合使用,或作为分布式系统中的单独模块使用。
PD764i精确指向性™扬声器在超出单驱动器设计范围的投射距离处提供高效能的声音扩强。单个模块在50米(165英尺)的距离处可产生超过104 dB SPL(持续)。PD764i可与其他PD系列模块组合使用,或作为分布式系统中的单独模块使用。
为提高恶劣气候条件下的可靠性并减少进水,WRC 和 WRX 型号的柜体尺寸可能与标准型号尺寸不同。有关 WRC 和 WRX 型号的图纸和/或尺寸信息,请联系 CustomAudio@harman.com。
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| 频率范围 (-10dB) | 200 Hz to 19.5 kHz |
| Frequency Response (±3 dB) | 230 Hz - 18.5 kHz |
| 覆盖范围 | 60° x 40° |
| Directivity Index (DI) | 13 dB |
| System Sensitivity (1w @ 1m) | Passive Mid-High: 110 dB SPL |
| Maximum SPL (1m) | MHF - 142 dB Peak |
| Transducer Power Rating (AES) | MHF - 400 W (1600 W Peak) |
| Crossover Frequencies | 1.2 kHz |
| DSP | Custom DSP for Crown ITHD and IT4x3500HD amplifiers |
| MF Driver | 2 x JBL CMCD-82H midrange driver with 200 mm (8 in) diameterDifferential Drive® dual 75 mm (3 in) voice coil |
| HF 驱动程序 | 2 x JBL 2432H, 38 mm (1.5 in) exit compression driver, 75 mm (3 in) voice coil |
| 标称阻抗 | MF: 4 ohms HF: 16 ohms |
| Enclosure | Trapezoidal with Rectangular sides, combination of 18 mm and 16 mm (5/8 in) exterior grade birch plywood |
| Enclosure WRC/WRX Version | For direct exposure or extreme environments, berglassed with stainless steel hardware |
| 网罩 | Black powder coated zinc treated 14 gauge perforated steel with black foam backing |
| Grille WRC/WRX Version | Three layer grille assy consisting of 16-gauge powder coated S.S., backed with O.C. foam and S.S. mesh |
| Input Connector | NL4 for bi-amp operation |
| Input Connectors WRC/WRX Version | 4 conductor 16 awg direct burial cable assy 20 length |
| 环境 | Available WRC/WRX Version: IP55 |
| Suspension Attachment | 52 total points (12 top and bottom, 11 each side, 6 back), M10 threaded hardwar |
| 尺寸(高 x 宽 x 厚) | 991 mm x 991 mm x 1145.8 mm(39.0 x 39.0 x 45.1 in) |
| Net Weight (each) | 215 lbs (97.7 kg) |
| Crossover Modes | Passive |
| 系统额定功率 | MHF - 400 W (1600 W Peak) (AES rated) |