Maintenance such as battery replacement has been completed! It can be used for about 6 hours with a fully charged DC drive. Make-to-order model. This control amplifier was upgraded by adding thorough research based on the SU-C7000. By completely decoupling the AC power supply and signal circuit, the noise generated from around the power supply is cut off, and it is a masterpiece of domestic pre-production that boasts extremely smooth and delicate sound and overwhelming SN. The exterior has small scratches, dullness, and fading. The charging time is about 12 hours. Serial OF9JB01511 (Yonejima Satoshi)
Maintenance information: 2023.9.8 Maintained (battery creation, replacement, main volume disassembly, cleaning, reassembly, solder correction, knob milling peeling correction, terminal cleaning. Charging operation check, DC and AC operation check, voice check each input/output)
Accessories: no accessories
Main Specifications: Battery Powered Preamp S/N Ratio Phono (MM) Power Source AC100V 50Hz/60Hz Maximum Allowed Input Phono (MM) 100mV Power Consumption 32W W483 x H134 x D375mm 17.5 kg