When connected in a receiver circuit, one of {HEAD ~ the electrodes} of the transducer is placed as a reference for the electronics and {TAIL ~ the other electrode} is connected through amplifier means to a signal processing system 
When connected in a receiver circuit , one of { HEAD ~ the electrodes } of the transducer is placed as a reference for the electronics and { TAIL ~ the other electrode } is connected through amplifier means to a signal processing system
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH 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