Ampex 01-31321-01 - Reproduce Alignment Tape
Format: full track mono, ¼", 7½ ips; 7" reel
Release: c. 1970s (USA)

Professional NAB reproduce alignment tape for 7½ ips machines, labeled 50 µs and 3180 µs equalization. Designed for full track mono decks in studio and broadcast environments. Used to set playback level, frequency response, and EQ accuracy before recording or transfer work.

A proper calibration reference for maintaining consistent 7½ ips performance on vintage Ampex and other professional machines.