As another frequency characteristics regulation method, it is possible to mechanically remove {HEAD ~ a portion} of {TAIL ~ the frequency characteristics regulation magnetic member} 
of
As another frequency characteristics regulation method , it is possible to mechanically remove { HEAD ~ a portion } of { TAIL ~ the frequency characteristics regulation magnetic member }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL