TDK D (1975-1978 JP) Cassette Tape

TDK D Cassette Description

The TDK D cassette tape, produced in Japan from 1975 to 1978, is a basic type I cassette designed for general audio recording and playback. It evolved from the TDK LN and was widely available in various lengths, ranging from 30 to 180 minutes.

TDK D Technical Specifications

• Magnetic Particle: Grained Ferric
• Coercivity: 380 Oe
• Remanence: 1450 Gauss
• Squareness Ratio: 0.81
• Operating Bias: -0.5dB
• MOL 315Hz: +3.0dB
• MOL 10kHz: -8.0dB
• Sensitivity at 315Hz: -0.5dB
• Sensitivity at 3.15kHz: -0.5dB
• Sensitivity at 10kHz: -0.3dB
• Sensitivity at 16kHz: -0.0dB
• Bias Noise: -55.0dB

User Reviews

• "The TDK D offers reasonable performance for its time, making it a reliable choice for everyday use."
• "Even as a basic tape, it still provides decent sound quality, making it suitable for various applications."

TDK D Key Features

1. Grained Ferric Magnetic Particle: Ensures stable and consistent audio performance.
2. Wide Availability: Available in various lengths from 30 to 180 minutes.
3. Reasonable Performance: Offers decent sound quality for its era.

Improvements Over Previous Generation

The TDK D cassette tape improved upon the TDK LN by offering a more stable magnetic particle and enhanced sensitivity at various frequencies, making it a reliable choice for general audio recording and playback.