BASF - Chromdioxide II SM cassette 60 Blank audio cassette - Multiple models

Selling an exceptional and rare lot of 50 BASF collectible audio tapes. It is the iconic model "Chromdioxid II SM" in the 60-minute version. The lot includes: 5 original boxes each containing 10 cassettes. Original counter display carton included. Strictly NEW condition: each box of 10 is fully sealed in its original blister (New Old Stock). Technical specifications: Type II (High Bias / Chrome Position). Equalization: 70 µs. "SM" mechanism (Special Mechanism) for perfect unspooling without snags. Made in Germany, the heyday of vintage Hi-Fi. Ideal for discerning audiophiles, analog recording enthusiasts or collectors of vintage media. The chrome-dioxide tapes of this generation offer exceptional dynamic range and sonic clarity.