Maintained in 2017/7. Professional crossover 800 Hz network. It's an exhilarating sound with a good view. How about making a 2-way horn system with a 16 ohm unit? There are small scratches and paint peeling (Oikawa Tetsuji)
Maintenance information: 2026.5.31 operation confirmed
2017.7.12 Maintained (terminal rust removal cleaning, insulation bushings & mounting screws replaced. ATT (SW type) cleaning. Check the input/output waveform and balance, and check the sound output. A frequency characteristic measurement check (~ 42 kHz) was performed, and since there was no problem, the original capacitor was used.)
Accessories: none
Main specifications: crossover frequency 800 Hz impedance 12 to 16 ohms W122 x H154 x D132 mm 1.9 kg/1 unit