The Yamaha K-850 is a high-performance cassette deck that was part of Yamaha's audio equipment offerings in the 1980s. It features a dual-capstan mechanism that provides improved tape handling and stability, resulting in better sound quality during playback and recording. The K-850 is equipped with Dolby B and C noise reduction systems, helping to reduce tape hiss and enhance the clarity of audio recordings. The deck includes features such as a three-head design, which allows for separate playback and recording heads, enabling users to monitor recordings in real-time. Additionally, it offers variable pitch control, making it suitable for musicians who need to adjust tape speed for specific applications. Specifications typically include a frequency response range of 20 Hz to 20 kHz, signal-to-noise ratios of up to 90 dB, and an automatic tape type detection feature to optimize performance based on the type of cassette being used. The K-850 often draws positive reviews for its robust build quality and reliable performance in both playback and recording scenarios, making it a sought-after model among cassette enthusiasts and collectors.

The Yamaha K-850 is a high-performance cassette deck that was part of Yamaha's audio equipment offerings in the 1980s. It features a dual-capstan mechanism that provides improved tape handling and stability, resulting in better sound quality during playback and recording. The K-850 is equipped with Dolby B and C noise reduction systems, helping to reduce tape hiss and enhance the clarity of audio recordings. The deck includes features such as a three-head design, which allows for separate playback and recording heads, enabling users to monitor recordings in real-time. Additionally, it offers variable pitch control, making it suitable for musicians who need to adjust tape speed for specific applications. Specifications typically include a frequency response range of 20 Hz to 20 kHz, signal-to-noise ratios of up to 90 dB, and an automatic tape type detection feature to optimize performance based on the type of cassette being used. The K-850 often draws positive reviews for its robust build quality and reliable performance in both playback and recording scenarios, making it a sought-after model among cassette enthusiasts and collectors.