Full maintenance has been completed, from exterior repairs to ATT cleaning, etc. This is JBL's masterpiece monitor speaker 4312A that continues from generation to generation. The mid-low range with JBL's original punch is outstanding. The energetic and clear bass makes you hear a slightly different sound from current JBL speakers (Murakoshi Yoichi)
Maintenance information: 2025.12.3 Maintained (enclosure polishing, oil/wax coating, baffle painting, new saran net created. Woofer midcone paper coating, frame polish Tweeter maintenance: wire break repair, magnetic circuit gap cleaning, center urethane replacement Network maintenance: frequency characteristics check/ATT cleaning)
Accessories: saran net
Main specifications: 3-way 3-speaker bass reflex crossover 1.1 kHz, 4.2 kHz impedance 8 Ω output sound pressure level 93 dB size W362 x H597 x D298 mm weight 20 kg