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Journal of the Society of Motion Picture Engineers ( Volume: 51, Issue: 4, October 1948)
New Theater Loudspeaker System
SMPTE • Journal Article • [Active]
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- 1. Hopkins H. F. Stryker N. R. , “A proposed loudness-efficiency rating for loudspeakers and the determination of system power requirements for en closures,” presented April 24, 1947 , at the SMPE Convention in Chicago; Proc. I.R.E., vol. 36, pp. 307–315; March, 1948.EXTERNAL