The Akai GX-215D is a vintage reel-to-reel tape deck manufactured by Akai, a Japanese electronics company, in the 1970s. It is part of the GX series of tape decks that were known for their high-quality sound reproduction and durability. The GX-215D has two tape speeds, 3 ¾ and 7 ½ inches per second, and can play both 7-inch and 10 ½ -inch reels. It features a four-track stereo recording and playback system, as well as a built-in Dolby noise reduction system to reduce tape hiss. The GX-215D also has automatic reverse playback, allowing users to play a full tape without having to manually flip it over. Overall, the Akai GX-215D is considered to be a reliable and high-quality tape deck that has stood the test of time.