Maintained! John Carl's slim-design “flat preamp” is the first control amplifier equipped with an original module developed in-house. Thorough simplification and a straight, coined tone with carefully selected high quality parts are the model that became the basis for later Mark Levinson preamps. Serial 1306 (Murakoshi Yoichi)
Maintenance information: 2024.4.20 maintenance (new power supply made inside the original power supply, Lch gain changeover switch replacement, volume gang error correction, function switch contact cleaning, specification inspection, various operation inspections) 2024.3.3.13 maintenance (various inspections, aging) 2023.10.27 maintenance (RCA terminal replacement, inspection adjustment)
Main specifications: 5 module phono (MM) compatible RCA input/output body size W482 x H60 x D195 mm (actual measurement) 4.2 kg (actual measurement)