超长冲程大功率双18英寸低频扬声器
ASB7128 是一款大功率、轻型前置装载通风式低频音箱，内部配有两个 JBL 专有的 2269H 超长冲程 18" 差动驱动® 低音单元。该单元采用钕磁体、双音圈和双气隙设计，配备 JBL 专有的通风气隙冷却™技术和超坚固复合振膜，可实现大冲程和超长使用寿命。单元的峰值对峰值最大冲程可达 89 毫米 (3.5")。
较大的图像
特点
- 2 x 2269H 18" Differential Drive® 双音圈双间隙钕磁体换能器
- 4000瓦连续粉红噪声，
16000瓦峰值功率处理能力 - 超长冲程
- 大通风面积，高输出、低失真
- 并联/离散可切换输入模式
- FIR调谐组与全频段型号的相位特性相匹配
- 适用于独立阵列或与其他
AE Series产品组合应用中的地面堆叠或悬挂方式
为提高恶劣天气条件下的可靠性并减少进水，WRC和WRX型号的机柜尺寸可能与标准型号尺寸不同。如需WRC和WRX型号的图纸和/或尺寸信息，请联系CustomAudio@harman.com。
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Specifications
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Manuals
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版本 A,
更新: 5月 2023
Brochures
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1.5 MB |
CAD Drawings
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3.8 MB |
Compliances
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Preset Libraries
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471.0 KB |
Application Guides
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570.3 KB |
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零件与服务
性能
| 频率范围 (-10dB) | 20 Hz - 1 kHz |
| Frequency Response (±3 dB) | 25 Hz - 1 kHz |
| Transducer Power Rating (AES) | 4000 W (16000 W peak), 2 hrs. |
| Input Modes | Drivers Parallel / Drivers Discrete |
| 系统额定功率 | 2400 W (9600 W peak), 100 hrs. |
| Maximum SPL (1m) | 25 Hz - 200 Hz: 135 dB-SPL cont avg. (141 dB peak) |
| 系统灵敏度 | 25 Hz - 200 Hz: 99 dB-SPL, 1W (2.0V) @ 1m |
| 标称阻抗 | 4 ohms in parallel-drive mode 2 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 | 16 points (4 top, 4 bottom, 4 each side) M10 threaded hardware |
| 外观颜色 | Black DuraFlex™ finish.White available upon request. |
| 网罩 | Powder coated 14 gauge perforated steel, with acoustically transparent black foam backing. |
| 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. |
| 环境 | Mil-Std 810; IP-x3 per IEC529. |
| Dimensions (H x W x D in vertical orientation) | 1092 x 560 x 815 mm(43.0 x 22.0 x 32.1 in) |
| Net Weight (each) | 71.9 kg (158.5 lb) |
| Optional Accessories | M10 x 35 mm forged shoulder eyebolts with washers. |
| Nominal LF Driver Impedance | 4 ohms in parallel-drive mode 2 x 8 ohms in discrete-drive mode |
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