Maintained in October 2022! A network with a crossover frequency of 7 kHz. Ideal for MID/HIGH 3-WAY systems using the 2440. On the exterior, paint is bald and oxidized (Yonejima Satoshi)
Maintenance Information: 2022.10.7 Maintained (Terminal rust removal, acid cleaning, insulation bushing & mounting screw replacement. ATT replacement 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 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
Maintained on 2015.6.11. The graininess of the sound has been clarified, and the smoothness of the connection has also been improved. It is a crossover 1200 Hz network ideal for the combination of a 38 cm woofer and 1 inch driver. The exterior has paint peeling and stains. Serial 9858/9958 (Miura Kimiya)
Maintenance Information: 2015.6.11 Maintained (terminal polishing, cleaning, insulation bush mounting screw replacement. ATT cleaning. Input/output waveform and balance check, sound output check. (Frequency characteristic measurement check)
Accessories: no accessories
Key Specifications: Crossover 1200Hz 8Ω 3-Position Switch with Level Control
Mini plug to stereo standard plug conversion cable It is a model using OFC as a wire rod. (Eiji Tamura)
Maintenance information: 2022.1.5 continuity confirmed
Accessories: original box