JBCDO 专业扬声器L1570-87

JBCDO 专业扬声器
L1570-87

是一种理想的专业扬声器。

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功能特点:

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L1570-87
规格(Specification)  
公称直径(Nominal diameter) 380mm.15in
标称阻抗(Nominal impedance)
额定功率(Power rating) 3OOw RMS
灵敏度(Sensitivity)(1w/1m) 98dB ± 2dB
频响范围(Frequency range) 38-3000Hz
音圈直径(Voice coil diameter) φ 63.5mm
磁钢尺寸(Magnet dimension) φ 170mm x 20mm
   
Thiele-Small 参数(Thiele-Small parameters)  
最低共振频率(Resonant frequency,Fs) 49.Hz
直流音圈阻抗(Voice coil resistance ,Re) 6.5Ω
机械系统阻尼系数(Mechanical quality factor,Qms) 2.79
电器系统阻尼系数(Electrical quality factor,Qes) 0.37
总阻尼系数(Total quality factor,Qts) 0.34
等效容积(Equivalent air volume to Cms,Vas) 132L
BI因子(BI factor,BI) 22.3N/A
   
安装信息(Mounting information)  
外径(Overall diameter) φ389mm
螺栓圆直径(Bolt circle diameter) φ372mm
开孔直径(Baffle cutout diameter) φ358mm
深度(Depth) 156mm
净重(Net weight) 11.9Kg

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