BASF audio cassette Ferro Extra I – sealed
7,00 €BASF Ferro Extra I – Technical Specifications
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Type: Compact Cassette, Type I (Normal Bias, IEC I)
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Tape Formulation: Ferric oxide (improved high-output ferric)
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Recording Lengths: 60 min (30 min/side)
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Frequency Response: approx. 30 Hz – 16 kHz (depending on deck and recording conditions)
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Output Level: High-output for a Type I, designed for better dynamics
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Noise Level: Slightly higher than Type II tapes, but reduced hiss compared to standard ferrics
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Shell Design: Transparent or semi-transparent housing with precision hubs for smooth tape transport
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Manufacturing Origin: Germany, Brazil, South Korea (varied by production year and market)
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Production Years: Circa 1991 – 1995 (later rebranded as Emtec after BASF tape division transition)




