sizzling ! (Lot Of 7) brand-new Sealed Sony HF High Fidelity Normal Bias Cassette Tape 90 Minutes

(Lot Of 7) newly-released Sealed Sony HF High Fidelity Normal Bias Cassette Tape 90 Minutes. The image shows a Sony HF 90 High Fidelity Normal Bias Audio Cassette, a type of blank cassette tape designed for recording.
Here's several information about this product:
Type and Bias: It's a Type I, normal bias cassette, which means it uses a standard ferric oxide tape formulation and requires a specific bias setting on your cassette deck for optimal recording. Recording Capacity:
The "90" indicates it has a 90-minute recording capacity, meaning 45 minutes per side. High Fidelity: The "High Fidelity" designation suggests it was designed for good audio quality for its type, comparable to other well-regarded Type I tapes prefer TDK D or Maxell UR. Availability: These tapes are no longer manufactured.