BASF 6 Professional I 90 Cassette Tapes + Storage Box Bundle Description

The BASF Professional I + Storage Box bundle includes six 90-minute blank tape media and a rugged storage box. Each audio cassette employs a ferric-oxide (IEC Type I) formulation with normal bias and 120 µs equalization. The storage box is a durable plastic unit designed to hold up to 40 tapes for organized, protective archival of blank tape media.

2. BASF 6 Professional I + Storage Box Bundle Technical Specifications

BASF Professional I (IEC Type I)

• Tape Type: Ferric oxide-based
• Bias: Normal (100%)
• Equalization: 120 µs
• Saturation Remanence: ≈ 1 100 Gauss
• Relative Sensitivity: +0.2 dB
• THD @ Dolby Level: 0.52 %
• Dynamic Range: 56.6 dB
• Bias Noise: –50.6 dB(A)
• Capacity: 90 minutes

Storage Box

• Material: Impact-resistant plastic
• Capacity: Up to 40 cassette tapes
• Purpose: Protective, stackable archival storage

3. User Reviews

• “Mechanically stable and clean-running tape, suitable for high-speed duplicator equipment.”
• “Surprisingly for its age, the cassette was in perfect shape and provided consistent measurements in playback tests.”

4. BASF 6 Professional I 90 Cassette Tapes + Storage Box Bundle Key Features

• Ferric Oxide Formulation: Reliable IEC Type I blank tape
• Standard Bias & EQ: Normal bias with 120 µs equalization
• Extended Duration: 90 min per tape for uninterrupted recording
• High-Speed Stability: Designed for duplicator and deck consistency
• Archival Storage: Includes plastic box for organized, protective media storage of up to 40 tapes
• Production Period: 1982-1984