*Currently on sale. This is a Sansui woofer whose details are unknown. I was able to make a sweep sound. On the exterior, there are stains on the edges and corn paper (Katsutsugu Hiura)
Maintenance information:2023.2.4 Sound output confirmed
Accessories: none
Main specifications: 8 ohms diameter approx. 218 mm screw pitch (diagonal) approx. 210 mm depth 79 mm weight 1.2 kg