TELEFUNKEN magnetophon 15A (German video)
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29:41
TELEFUNKEN M15: Reel-to-reel playback at its best
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4:50
Klangspeicher: Das Tonband | Euromaxx
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14:32
TELEFUNKEN - AEG: Aus Ende Geschichte. Interessantes von Deutschlands Technikinnovator
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38:46
Spuren der Zeit - Spulen der Zeit | Die STUDER ReVox Geschichte
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27:26
Sender Heusweiler: Das war Deutschlands stärkster Mittelwellensender
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3:16
Telefunken M15
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21:10
Bandmaschine im Studio - bringt's Tape noch? - Workshop/Tutorial (The Soundphile)
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12:46