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How was analog recording done in the 80s? - Quora
Early Portable Tape Recorders for News
UK Gramophone Company & the Electric and Musical Industries Ltd
EMI RD4/4 reel to reel tape recorder BBC mod from the EMI BTR-2
EMI TR/90 - WikiDelia
Vintage Valiant 5 Transistor Portable Reel-To-Reel Tape Recorder
EMI RD4/4 reel to reel tape recorder BBC mod from the EMI BTR-2
Tape recorder - Wikipedia
File:EMI portable reel-to-reel tape recorder.JPG - Wikipedia
Radio History - Recording at the BBC page 5
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EMI TR-90 portable reel to reel tape recorder