JBCDO 专业扬声器L18-4C

JBCDO 专业扬声器
L18-4C

是一种理想的专业扬声器。

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功能特点:

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L18-4C
规格(Specification)  
公称直径(Nominal diameter) 457mm.18in
标称阻抗(Nominal impedance)
额定功率(Power rating) 550w RMS
灵敏度(Sensitivity)(1w/1m) 100dB±2dB
频响范围(Frequency range) 38-2000Hz
音圈直径(Voice coil diameter) φ 125mm
磁钢尺寸(Magnet dimension) φ 280mm x 25.4mm
   
Thiele-Small 参数(Thiele-Small parameters)  
最低共振频率(Resonant frequency,Fs) 43Hz  
直流音圈阻抗(Voice coil resistance ,Re) 5.5Ω
机械系统阻尼系数(Mechanical quality factor,Qms) 1.98  
电器系统阻尼系数(Electrical quality factor,Qes) 0.33  
总阻尼系数(Total quality factor,Qts) 0.28  
等效容积(Equivalent air volume to Cms,Vas) 274L
BI因子(BI factor,BI) 26N/A
   
安装信息(Mounting information)  
外径(Overall diameter) φ 465mm
螺栓圆直径(Bolt circle diameter) φ 440mm
开孔直径(Baffle cutout diameter) φ 425mm
深度(Depth) 185mm
净重(Net weight) 18.9Kg

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