zacisme 发表于 2012-11-25 08:06 PM 
车用sub应该是没有尖头的。家里的倒是有
一粒喇叭根据不同的大小,有一定的工作范围(20hz~20khz)
就算 ...
Woofer size: 30cm (12")
Impendance: Dual 4 Ohm (4+4)
Peak Power: 380 Watts Max
Power handling capacity: 190W
Frequency Response: 30 Hz - 3 kHz
Sensitivity: 88 +/- 2dB
Voice Coil Diameter: 50mm 4 Layer KAPTON
Outer diameter of woofer: 31,7cm (12.7")
Magnet Size: 15,6cm (6.2")
Magnet Weight: 60 Oz (Ferrite Magnet)
Mounting depth: 13,9cm (5.6")
Mounting hole: 27,9cm (11.2")
this rms how much?
izit double magnet double coil?