Description
Up for sale is a rare New Old Stock (NOS) lot of three Sony MC-90 Microcassette blank audio tapes. Originally distributed as a retail 6-pack blister box, this partial set contains three new cassettes still in their original packaging. These tapes are ideal for dictaphone collectors, analog audio archivists, or anyone needing authentic Type A media to restore and operate vintage recording equipment. Each cassette offers a total recording capacity of 90 minutes (45 minutes per side at standard dictation speed) and features Sony’s reliable ferric oxide formulation on a polyester base, ensuring high-fidelity sound retention for office memos, voice notes, and transcription work.
• Brand: Sony | Model: MC-90 | Capacity: 90 Minutes Total Recording Time
• Format: Microcassette (Type A / Normal Bias) optimized for dictaphones and voice recorders
• Condition: New Old Stock (NOS) • Unused, Partial Retail Blister Pack of 3
• Use Case: Ideal for vintage dictaphones, answering machines, office automation restoration, analog audio archiving, and retro tech collecting
• Details: Cassettes feature original molding marks “SONY MICROCASSETTE MC-90,” “Type A / Normal Bias,” and “Made in Japan”
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