Here is my Sansui Equipments serial no's :
654087272, Sansui B-2101 Power Amp, rasenthiran
634105263, Sansui C-2101 Pre Amp, rasenthiran
625098689, Sansui TU-D99x Tuner, rasenthiran
220010008, Sansui AU-719 Amplifier, rasenthiran
849030691, Sansui TU-417 Tuner, rasenthiran
836030259, Sansui AU-7900 Amplifier, rasenthiran