爱华网资料来源于Vintage Cassettes。
对于磁记录老大TDK，这样完整的系列属于正常。对于我来说，许多系列也是第一次听说，自己使用过的仅仅只是其中不到10款左右。如果你是那个年代过来的人，看看其中的哪一些你曾经使用过。
TDK cassettes:
Type I
Low-level: TDK A, TDK B, TDK J, TDK FE, TDK T1
Entry-level: TDK D, TDK DS, TDK DS-X, TDK AE, TDK LN, TDKDela
Medium-level: TDK CDing-I, , TDK DJ1, TDK Beam 1, TDK Optima 1, TDKCD Bass
High-level: TDK AD, TDK AD-X, TDK AD-S, TDK SD, TDK AD1, TDK SuperCDing-I
Top-level: TDK AR, TDK AR-X, TDK ED, TDK OD, TDK IF
Type II
Low-level: TDK CDing-II, TDK CV-II, TDK DJ2, , TDK CD Power, TDKNana
Entry-level: TDK AD2, TDK Optima 2, TDK Beam 2
Medium-level: TDK Super CDing-II, TDK Walker, TDK Super D
High-level: TDK SD, TDK SF, TDK SR, TDK SR-X, TDK CUE,
Top-level: TDK SA, TDK SA-X, TDK SA-XG, TDK SA-XS, TDK HX, TDKHX-S
Type IV
Low-level: TDK CDing-IV, TDK DJ Metal, TDK Optima 4
Entry-level: TDK Super Cding-IV
Medium-level: MA
High-level: MA-X, MA-EX
Top-level: MA-R, MA-XG
