... 220mm, Typical Grade:N35,N40,N42,N45,N52,35H,38SH Speaker Neodymium MagnetGrade Available:N35, N38, N40, N42, N45, N48, N50 ... , rings, arc segments, etc.Grade Available:N35 to N53,N,M,H,SH,UH,EH, AH seriesSize: the largest can be ... ProductRemanenceCoercive ForceCurie Temp.Max Working Temp.(BH)maxBrHcHciTcTwMGOeKj/m3KGsmTKOeKA/mKOeKA/m¡ãC¡ãCN3533-36264-28811.901190>10.9>872>12>96031080N3836 ...