The Nakamichi 1000mbi is a cassette deck manufactured by Nakamichi. It was part of the company's high-end lineup and was introduced in the late 1970s. The deck offered advanced features for its time, such as auto azimuth alignment, and had a reputation for excellent audio quality and build quality. It featured three discrete motors for improved performance and utilized Nakamichi's patented Discrete Head design. The 1000mbi was highly regarded by audiophiles and enthusiasts.