JBCDO 专业扬声器YD300-120R

JBCDO 专业扬声器
YD300-120R

是一种理想的专业扬声器。

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功能特点:

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YD300-120R
公称直径(Nominal diameter): 300mm / 12 in 标称阻抗(Nominal impedance): 8 Ω
额定功率(Power rating): 150W RMS 灵敏度(Sensitivity)(1W/1M): 98dB±2dB
音圈直径(Voice coil dimension): φ38mm 磁钢尺寸(Magnet dimension): φ156×20mm 
最低共振频率(Resonant frequency,Fs): 63Hz 音圈直流阻抗(D.C. Voice coil resistance,Re):
机械系统阻尼系数(Mechanical quality factor,Qms): 9.4 电器系统阻尼系数(Electrical quality factor,Qes): 1.04
总阻尼系数(Total quality factor,Qts): 0.94 等效容积(Equivalent air volume to Cms,Vas): 30L
外径(Overall diameter): φ314mm 螺栓圆直径(Bolt circle diameter): φ295mm
开孔直径(Baffle cutout diameter): φ282mm 深度(Depth): 131mm
净重(Net weight): 3.8Kg 频响范围(Frequency range) 60-5000Hz
磁力(BL factor ,BL) 12N/A  音圈材质(Voice coil Material)  铝(Aluminium)

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