SMPTE RP 36 – Positioning the Headwheel and Adjacent Tape Guides for 2-in Quadruplex Video Magnetic Tape Recorders
This practice establishes the relative locations of critical elements in the path of the tape between the input and output guides for 2-in (51-mm) quadruplex video magnetic tape recorders operating at 15 in/s and 7.5 in/s (381 mm/s and 190.5 mm/s).
