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 slight feeling of use such as scuffs and dullness. Serial 91707163 91710378 (Mizushima Itsuro)
Maintenance information: 2024.2.6 operation confirmed
Accessories: none
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