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
My Decade on August 9 with an accompanying music video. "My Decade" debuted and peaked at number 4 on the Gaon Album Chart, on the chart issue dated August 6–12, 2017. In its second week, the EP fell to number 9, and after a week off the chart, re-entered in its fourth week at number 10. The EP also debuted and peaked at number 5 on US World Albums, in the week ending August 26, 2017. The EP placed at number 9 on the Gaon Album Chart for the month of August 2017, with 44,684 physical copies sold. My Decade My Decade