Unspecified tweeter unit with Pioneer's secular horn. It seems to have been installed in the speaker system. It's stylish even if you put it on top of your favorite speaker (Murakoshi Yoichi)
Maintenance information: 2022.10.22 sound output confirmed
Accessories: none
Main specifications: measured impedance 8/8 Ω External dimensions W200 x H100 x D78 mm 684 g