A short horn used in the 43 series. It can also be built into an enclosure, but you can hear good sound even if you attach a screwdriver and place it on top of the enclosure. There is paint peeling on the exterior. Serial 40483/40685 (Yonejima Satoshi)
Accessories: no accessories
Main specifications: 80 degrees horizontal and 45 degrees vertical orientation for 1" drivers Recommended crossover 1.2 kHz baffle opening diameter 108 mm depth 216 mm