Professional Test Record (Issue 3)

CBS Laboratories

1973 · LP

CBS Laboratories Quadraphonic Test Record

No Artist

1973 · LP

Professional Test Record - RIAA Pink Noise Acoustical Test

CBS Laboratories

1962 · LP

I Can Hear It Now

Edward R. Murrow, Fred W. Friendly

1957 · LP

Seven Steps To Better Listening

CBS Laboratories

1964 · LP

Professional Test Record - Wide Range Pickup Test (10-50,000 Hz) (Issue 2)

CBS Laboratories

1962 · LP