A woofer system incorporating a DAYTON AUDIO PA165-8 woofer into a self-made enclosure. The configuration looks like an Onken type enclosure has been made smaller. Specifications and details are unknown (Murakoshi Yoichi)
Maintenance information: 2025.12.13 sound output confirmed
Accessories: none
Key Specifications: 17cm woofer 8 ohms 91.9 dB W320 x H237 x D 248 mm 6.3 kg