Probably an unused item! This is a 13cm full range unit using a large Alnico magnet of about 1.5 kg. Please enjoy the thick mid-range sound with no sense of distortion due to Alnico. There is no feeling of use and it is good (Sasaki Shota)
Maintenance Information: 2023.7.11 Sweep Test Good
Accessories: original box
Main specifications: 8 ohms minimum resonance frequency 60 Hz playback frequency band F0 to 30 kHz output sound pressure level 91.5 dB/W (1 m) input 75 W baffle aperture dimensions 125 mm W154 x H105 x D154 mm 2.9 kg