There is age-related deterioration such as yellowing. This is a special edition of the high-end audio magazine Stereo Sound, "Quarterly Stereo Sound 1974 WINTER Records, Music, and Audio." Written by critic Toshio Oka, it delves deeply into the appeal of analog records and the world of audio. It is a valuable resource for understanding the early days of high-fidelity in the 1970s. Features: Introduction of the latest analog equipment of the time Reviews and critiques on record playback Music and audio theory by Toshio Oka Includes numerous materials that evoke the era, such as DENON advertisements Published by Stereo Sound Publishing (December 15, 1974)