Horn-type tweeter corresponding to an improved JA-0506 with a self-made network (frequency unknown). An Alnico magnet is used for the magnetic circuit, a precision horn hollowed out of aluminum is used for the horn part, and a V-shaped ring diaphragm of hard duralumin is used for the diaphragm. It is a bright and elegant sound that gained popularity along with the design (Yasuhito Koshihama)
Maintenance information: 2023.1.5 storefront operation confirmed
Accessories: self-made network
Main specifications: horn type tweeter unit, Alnico magnet, 0.23 kg, impedance 8 ohms, playback frequency band, 3 kHz to 20 kHz, recommended usage band, 5 kHz or more, rated input 1 W, maximum input 2 W, sound pressure level 109 dB