The Akai GX-625 is a reel-to-reel tape recorder that was produced in the 1970s. It is a two-track stereo recorder that can accommodate up to 10.5-inch reel sizes. It features auto-reverse playback, allowing continuous playback of tapes without manual intervention. The GX-625 has a three-head configuration, with separate playback, record, and erase heads. It offers adjustable tape tension for accurate tape handling. It also includes features like pitch control, microphone inputs, and VU meters for monitoring and adjusting recording levels. The GX-625 is known for its reliable performance and high-quality audio reproduction.