Control® 28-1Lは、豊かな音響特性、広範囲なカバレッジ、均一な音場、多彩な取付方法、そして様々な空間デザインに調和する現代的でハイデザインな外観を備えた2ウェイ8インチスピーカーです。小売店、レストラン、フィットネスクラブ、テーマパーク、教育施設、ホスピタリティ施設、ミュージックカフェ、レジャー施設など、高品質で高出力の屋内/屋外フォアグラウンド/BGM(および/またはページング)スピーカーが求められる幅広いアプリケーションに最適です。
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| Frequency Range (-10dB) | 45 Hz to 20 kHz |
| Frequency Response (±3 dB) | 62Hz - 16 kHz |
| Power Rating | 240 W Continuous Program (2 hrs) *Continuous Pink Noise rating is IEC-shaped pink noise with a 6 dB crest factor. Continuous Program Power is defined as 3 dB above the Continuous Pink Noise Rating and is conservative expression of the system’s ability to handle normal speech and music program material. |
| Maximum Input Voltage | 27.5 V RMS (2 hrs), 55.0 V peak |
| Maximum SPL (1m) | 112 dB ave. Continuous Pink Noise (118 dB peak) *Calculated from sensitivity and power handling, exclusive of power compression. |
| Sensitivity | 91 dB, 1W/1m (ave. 100 Hz – 10 kHz) *Half-space (on-wall) averaged 100 Hz – 10 kHz, 2.83V. |
| Coverage Angle | 100°H x 100°V |
| Directivity Factor (Q) | 7.3 (averaged 1kHz – 16kHz) |
| Impedance | 8 ohms |
| Crossover Type | 2nd order low-pass, 1st order high-pass, plus conjugate shaping |
| Recommended Protective High-Pass | 45 Hz high-pass (24 dB/oct) *For protection against driving below resonant frequency and to keep transformer out of saturation. |
| Drivers | LF: 200 mm (8 in), woven-fiberglass cone with pure butyl rubber surround with Weather-Edge frame protection, high-temp fiberglass voice coil former, high-temp voice coil wire, optimized cone geometry, linear suspension spider, and FEA optimized motor structure. HF: 25 mm (1 in) PEI diaphragm, low-viscosity ferro-magnetic fluid, and lightweight Kapton™ voice coil former. |
| Enclosure | High Impact Polystyrene (HIPS) with 10% glass fill, painted with highly-UV resistant paint on white (-WH) version for maximum UV fade resistance. |
| Grille | Highly zinc-plated, finished in durable TGIC polyester powdercoating. MTC-28WMG-1 (&-WH) available with WeatherMax™ multi-layer foam and tight-weave mesh vapor barrier backing. |
| Mounting Hardware | InvisiBall wall-mounting system included. Two 6 mm attachment points (on top and bottom) for optional MTC-28WMG-1 (&-WH) U-bracket. Secondary safety attachment loop point on back panel. |
| Outdoor Capability | IP-44 per IEC529 (IP-55 when installed with the optional MTC-28WMG-1 WeatherMax™ grille and either MTC-PC2 or MTC-PC3 panel cover.) Exceeds MilSpec 810 for humidity, salt-spray, temperature & UV. Passes MilStd-202F for salt spray and ASTM G85 for acid-air plus salt spray. Optional MTC-28WMG-1 WeatherMax™ grille for breaking up driving rain and for especially difficult environments. |
| Input Connectors | Screw-down terminal strip, zinc-plated copper based, nickel-plated metal screws and washers. Accepts up to 9 mm outside 4 mm inside open lugs (#6, #8, or #10 lug), plus bare wire (up to 12 AWG / 2.5 mm2). Optional MTC-PC2 and MTC-PC3 protective panel covers available to provide sealed entrance for additional weather protection. |
| Safety Agency | ROHS-compliant |
| Colors | Black (RAL9004) or white (-WH, RAL9016) |
| Dimensions (H x W x D) | 386 x 282 x 219 mm (15.2 x 11.1 x 8.6 in); 277 mm (10.9 in) deep total when mounted on InvisiBall wall-mount bracket. *In vertical orientation |
| Net Weight (each) | 6.2 kg (13.5 lbs) |
| Shipping Weight | 13.4 kg (29.5 lbs) pair-packed (for 2 speakers) |
| Included Accessories | InvisiBall™ wall-mounting system, 6 mm x 180 mm hex key |
| Optional Accessories | MTC-28UB-1 – Yolk-type U-bracket (&-WH) |
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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更新: 2024年7月
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