An 18cm cone unit made by Sansui whose details are unknown. The white cone, which is reminiscent of a masterpiece unit made overseas, is impressive. There is a dent on the edge of the cloth and a stain on the cone (Kanai Hidetsugu)
Maintenance information: 2022.10.23 sound confirmed
Accessories: none
Main specifications: impedance 8 ohms (actual measurement) screw pitch 216 mm (diagonal)