El altavoz PD764i Precision Directivity™ proporciona refuerzo de sonido de alto impacto a distancias de proyección que superan el alcance de diseños de un solo transductor. Un único módulo produce más de 104 dB SPL (continuo) a distancias de 50 m (165 pies). El PD764i puede utilizarse en conjuntos con otros módulos de la familia PD o de forma individual como parte de un sistema distribuido.
To improve reliability in weather conditions and reduce water ingress, cabinet dimensions of WRC & WRX models may be different than standard model dimensions. Contact CustomAudio@harman.com for drawings and/or dimension information of WRC & WRX models.
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Tech Note: JBL Precision Directivity™ PD700 Series Co-Axial Mid/High Speaker Systems
actualizado: oct 2019
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| Frequency Range (-10dB) | 200 Hz to 19.5 kHz |
| RESPUESTA DE FRECUENCIA (±3 dB) | 230 Hz - 18.5 kHz |
| Coverage Pattern | 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 Driver | 2 x JBL 2432H, 38 mm (1.5 in) exit compression driver, 75 mm (3 in) voice coil |
| Impedancia nominal | 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 |
| Grille | 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 |
| Environmental | Available WRC/WRX Version: IP55 |
| Suspension Attachment | 52 total points (12 top and bottom, 11 each side, 6 back), M10 threaded hardwar |
| Dimensions (H x W x D) | 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 |
| System Power Rating | MHF - 400 W (1600 W Peak) (AES rated) |
versión A,
actualizado: may 2023
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