This is a full range unit from the 1950s using VAC Alnico magnets. A sharp, solid vintage sound. Surprisingly, it's a fun unit where you can choose a source. The exterior has dullness, oxidation, and small scratches due to aging (Yonejima Satoshi)
Maintenance information: 2023.4.4 sweep test good
Accessories: no accessories
Main specifications: 20 cm full range unit 5 ohm Alnico magnet diameter 200 x D105 mm approx. 1 kg