| 摘要 |
A record playback unit for recordings on magnetic tapes disposed both in endless loop formations in cartridges and in reel-to-reel cassettes, wherein both are insertable into a single opening in the playback unit. A transducer and drive wheel assembly for the tape of the cassette is normally positioned to be inserted into the opening in the edge wall of the cassette together with a drive wheel for the tape of the cassette.
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