回复:本人对fever线材的一点感想。
how about your 2A3 and 12AU7 tube. Recently I buy a tube CD player, melody CD M10. The
tube used are 6sn7 x2 and 5ar4 x1 (all made in China). My friend strongly recommend me to change all the tubes. after changing all the tubes, the sound change un-believeable.