The price has been drastically reduced. 2022/3/14 Sales price 348,000 yen Maintained! It is a vacuum tube power amplifier that achieves a large output of 50W+50W during stereo operation and 100W in mono operation by parallel single end/push-pull. The sound spreads well, and it is a sound that feels smooth and glossy. There are Kusumi, small scratches, and front panel cloudy. * The front power transformer groans very slightly, but it is a product specification (Oikawa Tetsuji)
Maintenance information: 2022.3.14 Maintenance completed (3 output tubes replaced Second stage vacuum tube and socket replacement Burnout resistor and capacitor replacement Damaged screw replacement Bias check Each input output audio I checked it. * The XLR input is unbalanced by ① GND ② HOT ③ GND. (There is a slight trance growl)
Accessories: instruction manual, power cable
Main specifications: Parallel push-pull output: 50W/CH (8Ω) Frequency characteristics: 15Hz to 40kHz Output damping factor: 18 S/N: 92dB Used vacuum tube: ECC83 × 2, ECC85 × 2, EL34 × 8 W405 × H150 × D405mm 21kg
The price has been drastically reduced! 2023/10/16 Sales price 99,800 yen Maintenance completed! A stereo power amplifier that has been improved based on the company's 63M. This model has a high heat generation, so I would like to refrain from using it for a long time, but if you usually use it for a few hours, you can use it without worry. Small and medium speakers also have a sense of volume in the low frequencies, and the sound of Bill Evans's piano is soft and moist, and makes me listen to music (Hiroki Aso)
Maintenance information: 2023.10.16 Maintenance completed (output circuit solder correction due to broken solder, replacement offset voltage adjustment, input/output check due to capacitor resistance deterioration)
Accessories: none
Main Specifications: Tubular Low Load OTL Stereo Power Amplifier Rated Output 55W/55W (32Ω) 45W/45W (16Ω) 30W/30W (8Ω) Frequency Characteristics 5Hz to 500kHz -1dB (at output 1W) Power Consumption 230W 380W (at maximum output) External dimensions W370xH160xD270 mm Weight 12kg
The disposal price has been reduced! (Member prices are not applicable) 2024/4/8 sales price 198,000 yen Maintained! Macton tubular OTL stereo power amplifier. Eight 6RA3 triodes are used in parallel per channel to enhance load impedance adaptability, and it also features a structure with Macton's unique balanced NF applied. The sound unique to OTL is thick and has a high sense of energy, and the high driving power is also attractive. The appearance is oxidized and dull. Serial 40704 (Yonejima Satoshi)
Maintenance information: 2024.4.8 Maintained (power transformer primary side rewound repair by PSE inspection. 3 vacuum tube 6RA3 replacements Vacuum tube 6AQ8 replacement. Main volume disassembly cleaning repair. Vacuum tube socket and RCA jack caulk repair. Operation has also been checked with AC 100V (rated output 32W, SP:16Ω), please use speakers above 16Ω)
Accessories: No accessories
Main specifications: tubular low-load OTL stereo power amplifier 30W x 30W (8Ω) vacuum tube used: 6RA3 x 10/6RA8 x 2/12AX7 W370 ✕ H160 ✕ D270 mm 12 kg