The Heco SMR 740 is a vintage audio receiver that was manufactured between 1974 and 1976. It features a robust design typical of receivers from that era, with a warm aesthetic and analog controls. Aimed at delivering quality sound for both music and broadcasting, it is part of a range of receivers produced by Heco, which also includes models like the SMR 620, SMR 625, SMR 640, SMR 720, and SMR 725. The new price of the Heco SMR 740 at the time of its release was approximately 900 DM. The model is recognized for its performance characteristics, which are reflective of the technologies available in the mid-1970s.