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Analogue Media Technologies Pty Ltd :: Miscellaneous :: Test Tapes :: Audio Cassette Speed Calibration Test Tape
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Speed Calibration Test Tape Speed calibration test tape for cassette deck or walkman or boombox - 3000 Hz - FixYourAudio
London Vintage HiFi Market - Calibration Cassette Speed Playback Professional Test Tape 3000 Hz (3 kHz) frequency Type II Clear Chrome for Stereo Cassette Deck, Walkman, Answering Machine, Boombox, Cassette Player -
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BASF reference tape calibration tape 19cm/s 1/4 inch | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air
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