※ Because it is inexpensive, it will be passed as is Subwoofer with built-in amplifier Large diameter 20cm A-OMF monocoque woofer unit. It plays a bass with a good response that combines mass and speed. There are Kusumi and small scratches and thread in appearance. Serial 3609JJ56X070 (Satoshi Yoneshima)
Maintenance Information: 2021.7.2 Good Sweep Test
Accessories: Saran net, original box
Main specifications: Bass reflex playback frequency range with built-in amplifier FILTER: 25Hz to 200 Hz DIRECT: 25Hz to 1.5KHz high-pass cut filter 50Hz to 200 Hz (variable) Max output 100W (4Ω) W285 × H476 × D447mm 19kg