Maintained! A consumer aircraft developed as a tall boy based on the BBSM series. Two 25cm woofers are placed to ensure low frequencies. A dynamic sound that you wouldn't think of as a tall boy, combined with high efficiency. The low range with a low center of gravity, which sets it apart from the light low frequencies of recent speakers, is attractive. There is a line scratch on the side plate on the exterior. Serial 425 426 (Yonejima Satoshi)
Maintenance information: 2025.4.23 Maintained (deteriorated urethane edges removed and cleaned. Process and attach the felt sheet. Centering is adjusted while putting the edge on the frame side.)
Accessories: saran net
Main specifications: Playback frequency band 40 Hz to 16 kHz output sound pressure level 95 dB impedance 4 ohms W369 x H1169 x D496 mm weight 75 kg
The price has been reduced! 2025/4/16 sales price 99800 yen Maintained! A commercial amplifier with a strong power supply. The thick, rich, and sinking low frequency of 300W+300W has a texture unique to professional aircraft. The powerful driving force grips the woofer firmly. It can be said that it is the perfect amplifier for large aperture units. There are scratches, paint peeling, etc. on the entire exterior. Serial 05351 ※ There is a cooling fan operating noise due to commercial use (Satoshi Yonejima)
Maintenance information: 2025.4.16 Maintained (both power switches replaced, input switch and output relay cleaned, ATT checked. Bias and offset checks. Output audio check. AC120V specification It can be operated at AC100V, but residual hum is slightly disadvantageous.)
Accessories: No accessories
Main specifications: rated output 300W+300W (8Ω) frequency characteristics 20Hz to 20kHz dimensions W483 x H178 x D356 mm weight 28.6 kg
A phantom prototype model with a 51.0m speaker cable that has not been used and has not been released. A balanced extra thick cable reminiscent of the Torrance CE100. I peeled off the tip slightly to confirm the configuration (Murakoshi Yoichi)
Maintenance Information: Continuity Unconfirmed
Accessories: bobbins
The price has been drastically reduced! 2025/4/9 sales price 99,800 yen A line transformer carefully rolled up with handmade craftsmanship. You can aim for deep skeletal tones and sounds, and low frequencies with a low center of gravity. There are conspicuous scratches, paint peeling, and scratches on the exterior (Yonejima Satoshi)
Maintenance information: 2025.4.9 operation confirmed
Accessories: No accessories
Main specifications: W210 x H100 x D190 mm (not including terminals) Weight approx. 9.5 kg
Audiocraft brass disc stabilizer Stable playback is possible with a tight weight. Comes with a stroboscope, which is convenient (Oikawa Tetsuji)
Main specifications: diameter 79 mm x height 20 mm weight 730 g
Straight arm pipe for SPU with shell for AUDIO CRAFT AC-4000 Overall, it is dull and there is a feeling of use (Oikawa Tetsuji)
Maintenance information: 2025.3.24 continuity confirmed
Accessories: none
Main specifications: total length 266 mm (including shell, actual measurement)
Straight arm pipe for SPU with shell for AUDIO CRAFT AC-4000 Overall, there is dullness, corrosion, and a feeling of use (Oikawa Tetsuji)
Maintenance information: 2025.3.24 continuity confirmed
Accessories: none
Main specifications: total length 266 mm (including shell, actual measurement)
Audiocraft lightweight shell with 2 lock pins. The high rigidity and solid sound are attractive. There are screw scratches and dullness ※The lead wire is missing (Tomoho Asaine)
Accessories: none
Main specifications: aluminum stamping 8g