TDK AD-90 Acoustic Dynamic Cassette Type I

Brand: TDK
Model: Acoustic Dynamic
Tape Length: C – 90
Country: Japan
Release Year: 1987
Timeline: 1987 – 1988
Sort: AD
Series: Complete series
Position: Ferro
Tape Type: Type I

The TDK Reference Standard Series offers outstanding quality for a broad range of recording needs. Each tape in the Reference Standard Series is a product of TDK’s advanced tape technology. Each is made from the finest raw materials and manufactured to TDK’s exacting standards.
Their superior mechanisms work together with the tape and your deck for the finest sound reproduction possible.
Premium quality normal bias cassette. Ideal for portables and high-energy contemporary music due to its unique high frequency response.

Acoustic Dynamic, the successor to the famous Super Dynamic, which delivers clear, crisp, brilliant reproduction of today’s complex sounds with “Normal” bias.
But there’s nothing normal about the new coating which evolved from continuous research. The specialists succeeded in developing a new linear ferric oxide particle obtaining superior coercively with the result that Acoustic Dynamic is completely compatible with virtually all cassette decks guaranteeing a wider dynamic range and frequency response which extends well into the high end.
Acoustic Dynamic tape is housed in a new superior precision cassette body to ensure accurate running characteristics. Leave the switch at “Normal” and hear for yourself the magnificent sound of TDK Acoustic.

First appearance in 1977.
TDK Audio Cassette Selector Guide
TDK AD
Recording source

Voice / Lecture – Alternate
AM / FM Broadcast – Best Match
Prerecorded cassette – Best Match
LP’s / Records – Alternate

System Used

Boombox style portable stereo – Best Match
Personal portable stereo – Alternate
Car stereo – Best Match
Compact home stereo – Best Match