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BASF Ferro Extra I – Technical Specifications

• Type: Compact Cassette, Type I (Normal Bias, IEC I)

• Tape Formulation: Ferric oxide (improved high-output ferric)

• Recording Lengths: 60 min (30 min/side)

• Frequency Response: approx. 30 Hz – 16 kHz (depending on deck and recording conditions)

• Output Level: High-output for a Type I, designed for better dynamics

• Noise Level: Slightly higher than Type II tapes, but reduced hiss compared to standard ferrics

• Shell Design: Transparent or semi-transparent housing with precision hubs for smooth tape transport

• Manufacturing Origin: Germany, Brazil, South Korea (varied by production year and market)

• Production Years: Circa 1991 – 1995 (later rebranded as Emtec after BASF tape division transition)