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Improved Audio Reproduction SystemCircuitry utilizing electrical feedback of instantaneous speaker coil velocity compensates for loudspeaker resonance, transient peaks and frequency drop-off so that sounds of widely varying frequencies and amplitudes can be reproduced accurately from high fidelity recordings of any variety.
Document ID
19720000059
Acquisition Source
Headquarters
Document Type
Other - NASA Tech Brief
Authors
Chang, C. S. (Lockheed Missiles and Space Co. United States)
Date Acquired
August 6, 2013
Publication Date
January 1, 1972
Subject Category
Electronic Components And Circuits
Report/Patent Number
ARC-10404
Accession Number
72B10059
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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