JBCDO 专业扬声器L1802-85

JBCDO 专业扬声器
L1802-85

是一种理想的专业扬声器。

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功能特点:

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L1802-85
公称直径(Nominal diameter): 460mm / 18 in 标称阻抗(Nominal impedance): 8 Ω
额定功率(Power rating): 450W RMS 灵敏度(Sensitivity)(1W/1M): 99dB±2dB
音圈直径(Voice coil dimension): φ75mm 磁钢尺寸(Magnet dimension): φ200×25mm 
最低共振频率(Resonant frequency,Fs): 30 Hz 音圈直流阻抗(D.C. Voice coil resistance,Re): 5 Ω
机械系统阻尼系数(Mechanical quality factor,Qms): 8.4 电器系统阻尼系数(Electrical quality factor,Qes): 0.34
总阻尼系数(Total quality factor,Qts): 0.32 等效容积(Equivalent air volume to Cms,Vas): 667 L
外径(Overall diameter): φ460mm 螺栓圆直径(Bolt circle diameter): φ440mm
开孔直径(Baffle cutout diameter): φ420 mm 深度(Depth):  
净重(Net weight): 9.2 Kg 频响范围(Frequency range) 40-2500Hz
磁力(BL factor ,BL) 18.1 N/A  音圈材质(Voice coil Material)  铜(Copper)

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