Driver for YL acoustics mid and low frequencies. Playback is possible from 60Hz. If you combine it with a folding horn such as the MB90, you can expect soft and elongated low-frequency reproduction. The deep sound that cannot be produced by a cone-shaped woofer is attractive. There are small scratches, dullness, and paint peeling corresponding to the year (Tetsuji Oikawa)
Maintenance information: 2022.6.21 operation confirmed
Main specifications: Frequency band 60~3000Hz impedance 16Ω (measured DC value 17.4/17.6Ω) Maximum input 20W