The Yamaha YP-D 4 is a direct drive turntable that was produced by Yamaha during the late 1970s to early 1980s. It features a sturdy construction with a heavy plinth that minimizes vibrations and provides stability during playback. The YP-D 4 is equipped with a high-torque direct-drive motor, which ensures consistent speed and performance. It has a frequency response ranging from 20 Hz to 20 kHz, with an overall signal-to-noise ratio of approximately 78 dB. The turntable has an adjustable anti-skating mechanism and a tonearm height adjustment feature, allowing users to optimize the tracking angle for various cartridges. The YP-D 4 supports both 33 1/3 and 45 RPM playback speeds, and it is compatible with a wide range of cartridges that can be mounted via its standard 1/2 inch headshell. Overall, the YP-D 4 is appreciated for its combination of build quality and acoustic performance, catering to vinyl enthusiasts and audiophiles.