The Technics SL-B 31 is a fully automatic belt-drive turntable that was part of Technics' product lineup in the late 1970s and early 1980s. It features a sleek design characterized by its wooden base and an unobtrusive black finish. The turntable is equipped with a high-precision direct current motor which ensures stable speed control and low vibration during operation. The SL-B 31 is designed to play 33 1/3 and 45 RPM records, allowing users to enjoy a range of vinyl music formats. It is also equipped with a semi-automatic tonearm, which means the tonearm will return to its resting position at the end of a record, offering convenience for the user. Additionally, the SL-B 31 includes a built-in phono preamp, making it compatible with a wider range of audio systems without the need for a separate phono stage. This model typically features a removable cartridge, allowing users to customize their sound by upgrading to different cartridges as desired. With its combination of convenience, solid build quality, and attractive aesthetics, the Technics SL-B 31 is a great option for those seeking an easy-to-use turntable for vinyl playback.