File:Open reel audio tape.jpg - Wikipedia
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File:Studer B67 reel-to-reel audio tape recorder, ca. 1978 (cropped and edited, larger 10 inch tapes).jpg - Wikimedia Commons
File:Beocord 1100 open reel tape recorder.jpg - Wikimedia Commons
File:Vintage Concord Sound Camera Reel-To-Reel Tape Recorder, Model F-20, Made In Japan (14182450972).jpg - Wikimedia Commons
File:Vintage Akai Reel-To-Reel Tape Recorder, Model X360D, Made In Japan, Circa 1972 (38009191196).jpg - Wikimedia Commons
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File:Open reel audio tape recorder1.jpg - Wikipedia
File:Vintage Valiant 5 Transistor Portable Reel-To-Reel Tape Recorder, Made In Japan, Circa 1960s (16839811976).jpg - Wikimedia Commons
Multitrack recording - Wikiwand