JBL Marquis Dance Club Series 是专为夜店舞池市场打造的先进扬声器系统家族。MD55 同时也适用于需要轻便、高保真便携系统的流动 DJ。多角度箱体一侧设有 45° 斜角，可横向摆放用作地板监听音箱，并配备提手以及位于底板的支架安装座。MD55 为中功率 90° x 50°、
15" 两分频全被动式全频系统，采用 265H 差动驱动 (Differential Drive) 换能器与配备 1.5" 振膜的 2408H-1 压缩驱动器，可实现平顺、低失真的高频响应。Marquis Series 全系扬声器均呈现前所未有的保真度、清晰度与令人惊叹的纯净音质。
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Marquis Dance Brochure
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MD55 Spec Sheet
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| 频率范围 (-10dB) | 39 Hz – 20 kHz |
| 额定功率 | 550 W (2200 W peak) 2 hrs |
| 覆盖范围 | 90° x 50°, rotatable waveguide |
| Frequency Response (±3 dB) | 51 Hz – 19 kHz |
| Directivity Factor (Q) | 11.6 |
| Directivity Index (DI) | 10.6 dB |
| Passive Crossover Frequency | 1.8 kHz |
| 系统额定功率 | 350 W (1400 W peak), 100 hrs |
| Maximum SPL (1m) | 125 dB-SPL cont avg (131 dB peak) |
| 系统灵敏度 | 98 dB SPL, 2.83V (1W) @ 1m (3.3 ft) |
| 系统阻抗 | 8 ohms |
| 低频驱动单元 | 1 x JBL 265H-1 380 mm (15 in ) Differential Drive woofer with dual 50.8 mm (2 in) voice coil |
| HF 驱动程序 | 1 x JBL 2408H-1, 25.4 mm (1 in) exit compression driver, 38 mm (1.5 in) voice coil |
| Waveguide | PT-H95HF-1 Progressive Transition Waveguide |
| Enclosure | Trapezoidal with 7.5° and 45° side angles, 16 mm (5/8 in) exterior grade 11-ply birch plywood |
| Suspension Attachment | 10 points (2 top, 2 bottom, 2 each side, 2 rear), M10 threaded hardware, 35 mm pole mount socket |
| 外观颜色 | Black DuraFlex™ finish. |
| 网罩 | Powder coated 14 gauge perforated steel |
| Input Connector | Neutrik Speakons NL4 (2 wired in parallel), plus CE-compliant covered barrier strip terminals. Barrier terminals accept up to 5.2 sq mm (10 AGW) wire or max width 9 mm (.375 in) spade lugs. NL4’s +1/-1 in parallel with barrier strip (+2/-2 loop through). |
| 环境 | Mil-Std 810; IP-x3 per IEC529 |
| Dimensions (H x W x D in vertical orientation) | 781.1 x 419.8 x 457.7 mm(30.8 x 16.5 x 18.0 in) |
| 净重量 | 23.8 kg (52.5 lb) |
| Optional Accessories | M10 x 35 mm forged shoulder eyebolts with washers |
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