*Currently sold. Appendix to the 2014/8 issue of Stereo magazine. The same unit is mounted on a PT20K and PW80K dedicated double bass reflex speaker box. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2026.6.14 Operation confirmed
Accessories: none
Main specifications: [PW80] 8cm cone woofer impedance 8Ω minimum resonance frequency 130Hz output sound pressure level 83dB input 8W [PT20] 20mm soft dome tweeter impedance 8Ω playback frequency band 3000 Hz to 32000 Hz W128 ✕ H328 x D188 mm weight 2.3 kg (actual measurement)