The Akai GX-215 D is a reel-to-reel tape recorder manufactured by Akai in the 1970s. It features a three-head design, capable of both recording and playback. The tape deck is compatible with 1/4-inch reel tapes. The GX-215 D offers various speed options, including 3.75 ips (inches per second) and 7.5 ips. It utilizes a direct-drive motor system and has built-in Dolby noise reduction for improved audio quality. The GX-215 D also includes features like pitch control, tape counter, and multiple input/output options.