Stereo Review Test Record (1963)

Back cover copy: Nothing other than the human ear is required to use this highly efficient and accurate tool for setting up. adjusting, and evaluating stereo systems.

Stereo Review’s Stereo Test Record (1969)

Back cover copy: Consists of half-octave warble tones that permit testing and adjustment of overall response of a stereo system and matching of frequency response of two channels by ear.

Stereo Review’s Stereo Test Record (1979)

For home and laboratory use.