{HEAD ~ an equalization section} configured to carry out an equalization with respect to a signal sequence reproduced from a magnetic recording medium, and to output {TAIL ~ an equalized waveform}; and 
configured to output
{ HEAD ~ an equalization section } configured to carry out an equalization with respect to a signal sequence reproduced from a magnetic recording medium , and to output { TAIL ~ an equalized waveform } ; and
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH