超长冲程大功率双18英寸低音炮
JBL Marquis Dance Club Series是专为舞蹈俱乐部市场设计的最先进扬声器系统系列。MD7双18英寸低音炮系统配备两个JBL 2269H差动驱动单元,具有通风间隙冷却功能,能够在音质卓越且视觉效果强劲的舞池系统中实现25 Hz的频率响应。MD7应与MD1超高音系统、MD2中高频系统和MD3低频系统组合使用。所有单元组合在一起可构成高能量五分频舞蹈系统,具有前所未有的保真度、清晰度和纯净感。
JBL Marquis Dance Club Series是专为舞蹈俱乐部市场设计的最先进扬声器系统系列。MD7双18英寸低音炮系统配备两个JBL 2269H差动驱动单元,具有通风间隙冷却功能,能够在音质卓越且视觉效果强劲的舞池系统中实现25 Hz的频率响应。MD7应与MD1超高音系统、MD2中高频系统和MD3低频系统组合使用。所有单元组合在一起可构成高能量五分频舞蹈系统,具有前所未有的保真度、清晰度和纯净感。
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| 频率范围 (-10dB) | 22 - 240 Hz |
| 额定功率 | 4000 W (16000 W peak), 2 hrs |
| Input Modes | Drivers Parallel / Drivers Discrete |
| Frequency Response (±3 dB) | 25 - 120 Hz |
| Maximum SPL (1m) | 135 dB-SPL cont. avg. (141 dB peak) |
| 系统灵敏度 | 112 dB SPLk 2.83V (2W) @ 1m (3.3 ft) |
| 标称阻抗 | 4 ohms in parallel-drive mode2 x 8 ohms in discrete-drive mode |
| 低频驱动单元 | 2 x 2269H, 460 mm (18 in) dia., 100 mm (4 in) Dual Coil Dual Gap neodymium Differential Drive®, VGC™ drivers |
| Enclosure | Rectangular cabinet, 16 mm (5/8 in) exterior grade 11-ply birch plywood |
| Suspension Attachment | 18 points (5 top, 5 bottom, 4 each side) M10 threaded hardware. |
| 外观颜色 | Black DuraFlex™ finish. |
| 网罩 | Powder coated 14 gauge perforated steel. |
| Input Connector | NL4 Neutrik Speakon® and CE-compliant covered barrier strip terminals. Barrier terminals accept up to 5.2 sq mm (10 AWG) wire or max width 9 mm (.375 in) spade lugs. Speakon in parallel with barrier strip for loop-through. |
| Dimensions (H x W x D in vertical orientation) | 762.0 x 1121.7 x 965.7 mm (30.0 x 44.2 x 38.0 in) |
| 净重量 | 108 kg (238 lb) |
| Optional Accessories | M10 x 35 mm forged shoulder eyebolts with washers |