A full range of 10 cm double cones of ions with impressive pure white cones and phase plugs. Equipped with a neodymium magnet, it makes a crisp sound. An enclosure of about 4 to 5 liters is recommended (Yoichi Murakoshi)
Maintenance information: 2022.6.12 sound confirmed
Accessories: original box
Main specifications: 10cm double cone full range 4Ω/8Ω 87dB 72.3 to 18.5kHz