Professional cross 800 Hz network. It's an exhilarating sound with a great vantage point. How about making a 2-way horn system with a 16 ohm unit? There are stains and rust on the main body. Serial 7293/8121 (Satoshi Yonejima)
Maintenance Information: 2021.6.28 Maintained (Terminal Rust Removal (Acid Wash) Treatment, Cleaning, Insulating Bushing & Mounting Screw Replacement. The adhesive fixing of the coils inside the housing is reinforced with silicon. ATT (SW type) contact cleaning. A frequency characteristic measurement check (~ approx. 42 kHz) was performed, and the original capacitor was continuously used for good results. Input/output waveform and balance check, sound output check)
Accessories: no accessories
Main specifications: crossover frequency 800 Hz impedance 12 to 16 ohms W122 x H154 x D132 mm 1.9 kg/1 unit