Sony ES IV (1991 JP) Cassette Tape

Sony ES IV Cassette Description

The Sony ES IV (1991 JP) cassette tape is a high-quality, professional-grade audio cassette designed for precise and reliable recording and playback. It is part of the renowned ES series, known for its exceptional performance and durability.

Sony ES IV Technical Specifications

• Track Width: 0.6 mm each channel, with a 0.3 mm separation to avoid crosstalk.
• Tape Width: 3.8 mm.
• Head Gap: 2 μm, allowing a theoretical maximum frequency of about 12 kHz.
• Bias Noise: -53.7 dB, -58.4 dB(A).
• Dynamic Range: 68.4 dB.

Sony ES IV Key Features

1. High-Frequency Response: Designed to minimize high-frequency losses, ensuring accurate and detailed audio reproduction.
2. Low Bias Noise: Provides a clean and quiet recording environment, reducing background noise.
3. Wide Dynamic Range: Offers a broad range of audio levels, from soft whispers to loud sounds, without distortion.

Improvements over Previous Generation

The Sony ES IV cassette tape builds upon the success of its predecessors by incorporating advanced magnetic tape formulations and precise manufacturing techniques. This results in improved magnetic properties, such as higher coercivity and remanence, which enhance the overall audio quality and durability of the tape.