Illustrated Media Format Guides

1" Type A

AKA
SMPTE Type A, A-Format
Era
1965–1970s
Analog/digital
analog
Format
open reel
Developed by
Ampex
(Max) Capacity
1 hour
Size
Up to 12" reels
Fun facts
  • This format was used by the White House Communications Agency from 1966 to 1969
  • 1" Type A, Type B, and Type C are not compatible with each other
  • This format was not used for broadcast television because it did not meet Federal Communications Commission (FCC) specifications for broadcast videotape formats