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Automatic Plotting of Cartridge Response

A system for the automatic plotting of frequency response of phonograph cartridges is presented. The major parts of the system are a piezoelectric ceramic driver, an RIAA compensating network, and graphic recording equipment. The driver consists of a stack of modified Lead Zirconate Titanate (PZT) length expanders acting together as a bar. The graphic recording equipment includes a Bruel & Kjaer (B & K) Signal Generator in conjunction with a B & K High Speed Level Recorder. A description of these components is given and typical response curves are shown. The latter are compared with curves obtained in the usual manner.

Author: Germano, C. P.
Affiliation: Clevite Electronic Components, Clevite Corporation, Cleveland, OH
JAES Volume 7 Issue 3 pp. 135-140; July 1959 Import into BibTeX

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