C90 Normal Bias, Black cassette Tape with Black and Clear case.
Tape has 90 mins of recording time, 45 mins each side.Cassette is TABS-OUT
The record tabs on the cassette spine are omitted to prevent accidental erasure. This feature is for high-speed duplication copies on Recordex, Telex and Sony duplicators. Record tab notches may be “taped-over” for use on standard cassette recording equipment.