*Currently on sale. A 25cm woofer from Sansui that I think is for the SP-Z9. EPCD is written on the center cap. There is one small hole on the edge. Other than that, the degree is generally good (Murakoshi Yoichi)
Maintenance information: 2023.1.8 sound output confirmed
Accessories: none
Main specifications: impedance 8 ohms (actual measurement) screw pitch (diagonal) 290 mm depth 125 mm diameter 305 mm