Fujifilm

Fujifilm FBA_DR-I SL C90 Audio Cassette Tape

4.5 (13 reviews)

Ninety minutes of reliable blank tape from Fujifilm — the standard choice for mixtapes, field recordings, and analog audio projects.

$7.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Fujifilm DR-I SL C90 is a 90-minute Type I blank cassette tape built for everyday recording use — mixtapes, personal audio journals, lecture capture, field recording, and analog music projects. The DR-I is Fujifilm's standard normal-bias oxide formulation, designed for broad compatibility with any cassette deck running the Type I bias setting. Ninety minutes of runtime maps to 45 minutes per side: a full album, a standard class lecture, or a long drive's worth of music in the format that defined portable audio for several decades and continues to attract a committed audience.

The practical reality of any C90 tape is the thickness trade-off. Fitting 90 minutes onto a standard cassette shell means a thinner oxide layer, which raises the risk of stretching or breakage in decks with worn transport components. On a properly maintained deck — clean heads, a good pinch roller, consistent capstan speed — the DR-I performs exactly as expected: even oxide distribution, stable bias response, and reliable tracking through both sides. These are a natural choice for anyone rebuilding a cassette library, running a home analog recording setup, or simply working in a format that rewards the patience of hands-on, tactile media.

Key Features

90 minute blank cassette tape.

Specifications

Brand
Fujifilm
Model
FBA_DR-I SL C90 C U
Type
Audio Cassette Tape
Bias Type
Type I (Normal)
Recording Time
90 minutes (45 min per side)

Pros & Cons

👍 Pros

  • 90-minute runtime provides a full 45 minutes per side — enough for a complete album, extended lecture capture, or a long live session without interruption
  • Fujifilm DR-I oxide formulation delivers consistent bias response and reliable playback performance in well-maintained decks
  • Blank format gives complete control over recorded content with no pre-existing material to work around or bulk-erase first
  • Fujifilm's decades of cassette tape manufacturing history backs the consistency of the oxide coating

👎 Cons

  • C90 tape is thinner than C60 or C46 tape, making it more vulnerable to transport damage in decks with worn pinch rollers or capstans
  • Type I normal bias formulation has a narrower dynamic range ceiling than Type II chrome or Type IV metal tape
  • Cassette tape format carries an inherently higher noise floor than digital recording media — not appropriate for high-fidelity archival applications
  • Tape oxide degrades with heavy recording cycles, reducing reliability of recordings made on extensively reused tapes

Frequently Asked Questions

The DR-I is a Type I (normal bias) formulation. Set your cassette deck to the Normal or Type I bias position. Do not engage the Type II (CrO₂) or Metal bias switch — doing so applies the wrong EQ curve and will noticeably degrade playback quality.
Yes. Blank cassette tape is designed for repeated record/erase/re-record cycles. Tape oxide quality does degrade gradually with heavy use — for archival or one-time important recordings, starting with a fresh tape is the better call.
Generally, yes. C90 tape uses a thinner oxide layer than shorter-length cassettes to accommodate 90 minutes on a standard-size shell. This makes it slightly more susceptible to stretching or breakage in decks with worn pinch rollers or capstans. A well-maintained deck largely eliminates this risk.
Any cassette deck with a Normal (Type I) bias setting is compatible. Decks with clean, properly aligned heads and a maintained transport mechanism will extract the best performance — worn transport components can cause audio dropout or uneven frequency response regardless of tape quality.