1pairs Transistor TOSHIBA TO-3 2SA663+2SC793 2SA663-Y+2SC793-Y A663+C793

NEC Vintage Original 2SD287C Tested pair pull Transistor

Toshiba Vintage Original 2SA663 Tested pair pull Transistor

2SC2139 Original New Toshiba Transistor C2139

A pair of 2SA1943 / 2SC5200 NOS Original TOSHIBA Transistor Made in Japan

Hitachi Vintage Original 2SC897 Tested pair Transistor

Toshiba 2SC5200/2SA1943 Pair -Original power transistors

NEC Vintage Original 2SD287 Tested pair pull Transistor