JBCDO 专业扬声器L1820-18

JBCDO 专业扬声器
L1820-18

是一种理想的专业扬声器。

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功能特点:

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L1820-18
公称直径(Nominal diameter): 460mm / 18 in 标称阻抗(Nominal impedance): 8 Ω
额定功率(Power rating): 650W RMS 灵敏度(Sensitivity)(1W/1M): 98dB±2dB
音圈直径(Voice coil dimension): φ100mm 磁钢尺寸(Magnet dimension): φ220×25mm 
最低共振频率(Resonant frequency,Fs): 30Hz 音圈直流阻抗(D.C. Voice coil resistance,Re): 5.5Ω
机械系统阻尼系数(Mechanical quality factor,Qms): 2.5 电器系统阻尼系数(Electrical quality factor,Qes): 0.84
总阻尼系数(Total quality factor,Qts): 0.63 等效容积(Equivalent air volume to Cms,Vas): 298L
外径(Overall diameter): φ472mm 螺栓圆直径(Bolt circle diameter): φ440mm
开孔直径(Baffle cutout diameter): φ418 mm 深度(Depth): 198mm
净重(Net weight): 12.3Kg 频响范围(Frequency range) 45-3000Hz
磁力(BL factor ,BL) 15 N/A  音圈材质(Voice coil Material)  铜(Copper)

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