| Cassette Tape Format | |
| The standard analogue audio cassette uses 1/8" tape in a rugged plastic housing with two stereo programs one on either side. This is also known as quarter-track stereo format. | Cassette tapes come in a variety of different tape lengths. C-60 indicates a tape with 30 minutes of recording time on each side, while a C90 provides 45 minutes per side. |