Maintained in 2016. A network with a crossover frequency of 7 kHz. Ideal for MID/HIGH on 3-way systems using 2440. There are dullness and small wounds appropriate to the model year (Oikawa Tetsuji)
Maintenance information: 2023.10.16 Operation confirmed
2016.10.31 Maintained (terminal polishing, cleaning, insulation bushing & mounting screw replacement. ATT exchange. Input/output waveform and balance check, sound output check. Frequency characteristic measurement check (~ approx. 42 kHz). (*The capacitor remains original)
Accessories: none
Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50 W impedance bass range: 12 to 16 ohms treble range: 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg