The Sanyo D-30 is a cassette tape deck that was part of the Sanyo System Midi 30, manufactured between 1984 and 1985. This model is designed for people looking for a compact audio solution that seamlessly integrates with other components of the Midi 30 series, which includes models such as the D-50, RD-M 17, RD-220, RD-224, RD-260, RD-W 340, and RD-430. The D-30 features basic tape deck functionalities suitable for playback and recording, and offers compatibility with both cassette tapes and various audio systems available during its production years. Specific technical specifications might include tape speed, type of recording (normal, high, or metal tapes), and features like Dolby Noise Reduction, enhancing sound quality and reducing background noise during playback.