Abstract
This paper discusses an investionsion designed to determine, as functions of bias- and signal-current values and of recording media and recording and play-back heads, the response characteristics of a magnetic recording system. The theoretical background presented permits the prediction of frequency response curves in terms of relative values. These curves are obtained from data determined by measurements, calculations, and experiments on the component parts of a magnetic recording system. Subsequent to the theoretical material there is a description of a systematic method for planning experimental procedure, plotting the results, and presenting the test data for a magnetic recording system. Other data displayed here proves the superiority of thin laminations (0.002 inch thick) over thick laminations (0.005 inch thick) as core material for the heads of a magnetic recording system.
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