A systems approach is used to develop criteria for phonograph preamplifier design in order to better align results with real-world considerations. Specially cut test disks have been prepared and analyzed with various playback systems for symmetry, speed, and distortion. Low-frequency stability requirements are analyzed in light of the infrasonic warp content of records. RFI performance is given special attention.

Author: Holman, Tomlinson
Affiliation: Apt Corporation, Cambridge, MA
JAES Volume 28 Issue 5 pp. 325-330; May 1980
Publication Date: May 1, 1980

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