The aluminum tweeter that was mounted on Hitachi's HS-500, which is still popular today. It doesn't have the harshness of the treble, and it makes a good sound. There is a slight feeling of use such as dullness. Serial 91705249 91705826 (Itsuro Mizushima)
Maintenance information: 2023.5.5 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