The Sanyo RD-5055 is a cassette tape deck manufactured by Sanyo from 1979 to 1981 in Japan. It is designed to provide reliable playback and recording capabilities with a sleek silver or black exterior. The device features a combination of two audio heads for recording and playback, alongside a ferrite erase head. It operates at a tape speed of 4.75 cm/s, and supports different tape types, including Normal (Type I) and Chromium Dioxide (Type II). The frequency response is rated at 30 Hz to 14 kHz for Type I tapes and extends to 30 Hz to 17 kHz for Type II tapes. Important technical specifications include a signal-to-noise ratio of 54 dB without Dolby and 64 dB with Dolby, as well as a distortion factor of 1.5% and crosstalk attenuation exceeded by 70 dB. The deck has the capability of accommodating various input sources including line in, microphone, and outputs for line out and headphones. It consumes 20 W of power, weighs 4.9 kg, and has dimensions of 400 mm in width, 155 mm in height, and 290 mm in depth. The rewind time for a C-60 cassette is 90 seconds. While it lacks remote control functionality, it features two microphone inputs on the front for versatile recording options.
