Made in Hungary, "Mechanikai Laboratórium (ML)"

It was a great production, has made for the Soviet War Department. The STM-6-J was the first portable studio tape recorder with transistor in Europe, in early 1960s! In that years (for a short time), the "ML" has made tape recorders for the army, not for studios.

(This informations are from the book: "The History of the Fabrication of Tape Recorders in Hungary" -written by Vilmos Nagy, the owner of the museum)