The interior and exterior have been restored! 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, well-defined bass makes you hear a slightly different sound from current JBL speakers. On the exterior, there are some repair marks and some scratches on the sides. Serial 10064 (Yonejima Satoshi)
Maintenance information: 2023.11.10 Maintained (internal connection terminal (Faston) replaced with a new one. ATT replacement with a brand new one. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used because the results were good. Check the input/output waveform and balance, and check the sound output. (Enclosure polishing, oil/wax coating, baffle painting, new saran net creation, unit maintenance: woofer cone paper coating, TW grill dent repair)
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