Upon power down, the switch over to a line to line configuration allows for the series connection of {HEAD ~ two windings}, necessarily contributing {TAIL ~ the back EMF energy} from a pair of windings to the voice coil 
necessarily contributing
Upon power down , the switch over to a line to line configuration allows for the series connection of { HEAD ~ two windings } , necessarily contributing { TAIL ~ the back EMF energy } from a pair of windings to the voice coil
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 OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH