Original sealed TDK MC90 audio microcassette (model D-MC90U). A classic analog recording medium from the late 1990s to early 2000s.

Original sealed TDK MC90 audio microcassette (model D-MC90U). A classic analog recording medium from the late 1990s to early 2000s.

Brand: TDK Corporation (Japan).

Model / Item Number: MC-90 / D-MC90U (barcode: 4902030090227).

Media Type: Microcassette™.

Tape Type: Normal Bias (Type I, high-quality ferric oxide / Ferric Oxide). Optimized for clear human voice reproduction and noise minimization. Perfectly suited for vintage audio and office equipment: portable dictation machines (Sony, Olympus, Panasonic, Casio), stationary answering machines, and telephone recording systems.

Recording Time: 90 minutes (45 minutes per side "A" and "B") at a standard tape speed of 2.4 cm/s. When using a voice recorder that supports a speed of 1.2 cm/s, the recording time doubles to 180 minutes.

Country of Manufacture: Tape made in Japan, cassette assembled in Thailand (Assembled in Thailand).

Condition: Collectible / New. The item is in its original transparent blister pack with a hanger (Factory Sealed / NOS — New Old Stock). The packaging is airtight, with no visible damage, tears in the film, or fading of the cardboard. Authentic vintage quality from the late 90s. Stored in a dry room; the packaging geometry is perfectly intact. An excellent piece both for direct use and for any analog sound enthusiast's collection.