 Amplified phonographs were introduced in the early 1950s, and V-M introduced the Model 700 tape recorder late in 1954.Throughout the 1950s and 1960s, tape recorders, phonographs, consoles and components by V-M were popular with consumers for a variety of reasons.V-M Corporation's "Educational Systems" tape recorders and phonos with rugged cases were popular with schools and institutions.