Ampex machine's high price tag. Ampex sold only about 50 or 60 ATR-124 machines, and withdrew from the professional audio tape recorder market entirely in 1983. By the 1990s, Ampex focused more on video recorders, instrumentation recorders, and data recorders. In 1991, Ampex sold their professional audio recorder line to Sprague Magnetics. The Ampex Recording Media Corporation spun off in 1995 as Quantegy Inc.; that company has ceased producing recording tape. Starting in the early 1950s, RCA, Bing Crosby and others tried to record analog video on very fast-moving magnetic tape. As early as 1952, Ampex developed prototype video tape recorders
Radio Recorders Annie Lennox and many more. The facility closed in 2008. Today the sign declaring Radio Recorders a Historic Site still remains on the corner of Santa Monica and Orange. Radio Recorders Radio Recorders, Inc. located at 7000 Santa Monica Boulevard, was a recording studio based in Los Angeles, California. Many notable musicians are reported to have been recorded in the studio include Billie Holiday, Charlie Parker, Jimmie Rodgers, Louis Armstrong, Mario Lanza, Elvis Presley, Jimi Hendrix, Frank Zappa, Paul Frees and The Carpenters among others. In its prime, the studio was considered the best recording facility in Los Angeles. During