Both interior and exterior maintenance were completed in 2019, and the saran net was repaired in 2020/8. The classic 4343B monitor model with a gray finish. The balance between the thick, strong midrange sound and responsive bass is exquisite. A model who wants to make jazz and rock sounds thick, thick, and powerful. It's full of exhilarating sounds. There are repair marks on the diffuser (Oikawa Tetsuji)
Maintenance information: 2020.8.14 Maintained (saran net replacement, frame repair, diffuser repair)
2019.2.2 Maintained (terminal rust removal cleaning, insulation bushing & mounting screw replacement. Since only one terminal was a 2-hole type, I replaced it with a used part. ATT cleaning. INT/EXT switching SW cleaning. A frequency characteristic measurement check (up to approx. 42 kHz) was performed and one capacitor corrected. Input/output waveform and balance check, sound output check. Exterior repair/full painting
Front and rear baffle painting, saran net replacement, frame warp correction
Woofer maintenance (edge replacement, cone paper coating), mid-maintenance (edge replacement, cone paper coating), driver maintenance (magnetic circuit slit inner cleaning/center adjustment, sound absorbing material replacement, diaphragm cleaning, screw replacement, terminal etc. contact cleaning), tweeter maintenance (magnetic circuit slit inner cleaning/center adjustment, diaphragm cleaning, terminal contact cleaning), unit detachment/diffuser cleaning)
Accessories: diffuser, saran net
Main specifications: 4 way 4 speaker bass reflex type crossover 300 Hz/1250 Hz/9500 Hz impedance 8ohm 93 dB dimensions W635 x H1051 x D435 mm weight 83.9 kg/1