QuadraDisc records require a compound different from that suitable for stereo records, in terms of first play quality as well as wear resistance. A wearing and evaluation process has revealed the peculiar characteristics required of a QuadraDisc compound.

Authors: Bogantz, Gregory A.; Khanna, Sarwan K.
Affiliation: RCA Records, Indianapolis, IN
AES Convention: 49 (September 1974) Paper Number: 981
Publication Date: September 1, 1974

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