This aluminum tweeter was mounted on Hitachi's HS-500, which is still popular today. There is no harshness in the treble, and it makes an elegant sound. There is a feeling of use such as age damage and dullness. Serial 91708575, 91709914 (Kanai Hidetsugu)
Maintenance information: 2026.5.17 Operation confirmed
Accessories: ring
Main specifications: impedance 8 ohms, rated input, 20 W, playback frequency band, 2 kHz to 20 kHz, crossover frequency 3 kHz or more, W73 x D153 mm, weight 1.7 kg