The manufacturing company was founded in 1944 by Alexander Matveevich Poniatoff, a Russian-born American electrical engineer. The Ampex studio tape recorder, mono, portable, suitable for remote broadcast, was made in the early 1950s. The suitcase of the 600 model can be divided into two parts, with the tape recorder in one part and a built-in amplifier and speaker designed by George Brettell in the other part.