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Blank 30 minute normal audio cassette tape - Surplus Audio Cassettes and Various Supplies - Audio Cassettes - Duplication.ca
If cassette tapes officially had no more than 45 minutes of space on each side, how is it that I've come across several examples of cassette tapes with playlists that are between
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Professional Cassette Tapes Blank Tapes 30/45/60/90 Minutes Cassette Tape for Voice Recorded - AliExpress
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1973 Audio Magnetics Corporation 30 MIN (2 x 15) Compact Cassette Blank Tape Product : r/cassetteculture
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