Ampex 01-31313-01 - Reproduce Alignment Tape
Format: full track mono, ¼", 15 ips; 7" reel
Release: c. 1970s (USA)

Professional IEC reproduce alignment tape for 15 ips machines, labeled 35 µs equalization. Full track mono configuration for precise playback calibration of studio and broadcast decks. Intended for setting reproduce level, frequency response, and azimuth accuracy before critical transfers or mastering work.

A proper reference tool for maintaining accurate 15 ips IEC playback standards on professional machines.