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Journal of the Society of Motion Picture Engineers ( Volume: 51, Issue: 4, October 1948)
[ACTIVE]

New Theater Loudspeaker System

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
51, No. 4, pp. 385–398
Abstract
The new system employs sectoral high-frequency horns and a crossover frequency of 800 cycles. Improvement is obtained in uniformity of distribution and reduction of size and weight.
Publication Date
1948-10-01
DOI
10.5594/J11734
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J11734
Author(s)
H. F. HopkinsBell Telephone Laboratories, Murray Hill, New Jersey
C. R. KeithWestern Electric Company, New York, New York
Copyright
© 1948 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 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
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H. F. Hopkins and C. R. Keith; New Theater Loudspeaker System, Journal of the Society of Motion Picture Engineers ( Volume: 51, Issue: 4, October 1948); SMPTE, 1948. Available at https://doi.org/10.5594/J11734
Snippet:
H. F. Hopkins and C. R. Keith; New Theater Loudspeaker System, Journal of the Society of Motion Picture Engineers ( Volume: 51, Issue: 4, October 1948); SMPTE, 1948. Available at https://doi.org/10.5594/J11734

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H. F. Hopkins and C. R. Keith; New Theater Loudspeaker System, Journal of the Society of Motion Picture Engineers ( Volume: 51, Issue: 4, October 1948); SMPTE, 1948. Available at https://doi.org/10.5594/J11734
Snippet:
<span class="citation">H. F. Hopkins and C. R. Keith; <cite>New Theater Loudspeaker System</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 51, Issue: 4, October 1948); SMPTE, 1948. Available at <a href="https://doi.org/10.5594/J11734" target="_blank" rel="noopener">https://doi.org/10.5594/J11734</a></span>

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Preview:
H. F. Hopkins and C. R. Keith; New Theater Loudspeaker System, Journal of the Society of Motion Picture Engineers ( Volume: 51, Issue: 4, October 1948); SMPTE, 1948
doi: 10.5594/J11734
url: https://doi.org/10.5594/J11734
Snippet:
<li>
H. F. Hopkins and C. R. Keith; <cite id="bib-10-5594-j11734">New Theater Loudspeaker System</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 51, Issue: 4, October 1948); SMPTE, 1948
<span class="doi">10.5594/J11734</span>
</li>

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