In addition, an offset in the displacement direction of {TAIL ~ the vibration system} of the speaker unit is detected with a Hall element and fed back to a power amplifier in order to correct the offset in the displacement direction of {HEAD ~ the vibration system} of the speaker unit 
In addition , an offset in the displacement direction of { TAIL ~ the vibration system } of the speaker unit is detected with a Hall element and fed back to a power amplifier in order to correct the offset in the displacement direction of { HEAD ~ the vibration system } of the speaker unit
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH