TASCAM is the professional audio division of TEAC Corporation, headquartered in Montebello, California. Tascam is credited as the inventor of the Portastudio, the first cassette-based multi-track home studio recorders. Tascam also introduced the first low-cost mass-produced multitrack recorders with Simul-Sync designed for recording musicians. Tascam also manufactured reel-to-reel tape machines and audio mixers for home recordists from the early 1970s through the mid-1990s.