BMR85DD NA8Y

传感器尺寸(毫米)101.6
直流电阻7.57
共振频率86.75
半空间灵敏度85.02
额定噪音功率20
测试频谱带宽20Hz-12KHz

传感器尺寸(毫米)101.6
直流电阻7.57 Ω±5.0%
共振频率86.75 Hz15%
半空间灵敏度 @ 2.83V85.02 dB±1.01
灵敏度 @ 1W/1m85.4 dB±1.01
额定噪音功率 (IEC 268-5 18.1)20 W
测试频谱带宽20Hz-12KHz 12 dB/Oc
活塞有效面积67.9 cm2
移动质量8.3 g
马达力因数5.9 T•m
音圈内径32 mm
气隙高度4 mm
线性冲程0.7 mm
铁磁流体类型
最小阻抗8.81 Ω±7.5%
音圈电感0.04 mH
机械品质因数3.47
电品质因数0.99
总品质因数0.77
比率112.8 fs/Qts
能量带宽产品 ((1/Qes)•fs)
支撑顺性404.3 μm/N
有效圆锥直径9.3 cm
马达效率因数4.6 (T•m2)/Ω
音圈管材料ASV
传感器质量0.22 Kg
等效音量2.62 L

This 8ohm 4.5inch full range transducer is a member of the new BMR family. This driver features a powerful neodymium magnet , nestled within an innovative suspension system. The motor contains a copper cap to lower inductance and distortion. The flat cone is honeycomb paper material, with rubber surround, with plastic basket. Is designed to be a high performance full range driver. This family driver is used for shallow applications such as television soundbars and compact music system.