a TDK SA-X 60 blank audio cassette tape, a highly regarded vintage Type II (High Bias/Position) cassette originally released around 1982.

Key Details & PerformanceFormat: Type II / High Position (Chrome/Cobalt formulation).

Recording Time: 60 minutes total (30 minutes per side).

Tape Formulation: It utilizes TDK's proprietary Super Avilyn dual-layer formulation, which delivers expanded high-frequency sensitivity, lower distortion, and a wider dynamic range compared to standard Type II tapes.

Mechanism: Equipped with TDK's "Laboratory Standard Cassette Mechanism", featuring a heavy, acoustically inert shell designed to minimize tape vibration, modulation noise, and dropouts.

Because of its superb formulation and precision build, this specific era of the SA-X series remains highly sought after by audiophiles, analog recording enthusiasts, and vintage collectors.