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How the Magnetic Characteristics of a Magnetic Tape Head Are Affected by the Gap Length and a Conducting Spacer

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Eleven graphs show head efficiency versus gap length, complex permeance spectra, and modulus of efficiency spectra from 1000 Hz to 16 MHz for heads with gap lengths of 0.4 µm, 4 µm, 12 µm, and 50 µm, with conducting and with nonconducting gap spacers. Several optimization questions are also posed.

JAES Volume 26 Issue 12 pp. 930-934; December 1978
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AES - Audio Engineering Society