Fidelipac
AKA
NAB cartridge, cart tape
Era
1954–1990s
Format
analog
Developed by
George Eash*
(Max) Capacity
Size A: 10 minutes
Size B: 20 minutes
Size C: 30 minutes
Size
Size A: 10.1 × 13.3 × 2.2 cm
Size B: 15.2 × 17.8 × 2.2 cm
Size C: 19.4 × 21.6 × 2.2 cm
Fun facts
- This format was used in radio broadcasting for playback of material such as radio commercials or jingles
- *The invention of this format is credited to George Eash as well as Vern Nolte (Automatic Tape Company) and it is based on endless loop magnetic tape cartridge design by Bernard Cousino
- Size A was used for broadcasting commercials, and the B and C sizes were usually used for background music
