The Akai CR-81 D is a cassette deck manufactured by the Japanese company Akai. It was released in the 1980s and was designed for high-quality audio recording and playback. It features a dual-capstan drive system for stable tape transport and Dolby noise reduction for improved sound quality. The CR-81 D also has automatic tape type selection and bias adjustment, as well as manual tape calibration controls. It is known for its durable construction and reliable performance.
