Society of Motion Picture and Television Engineers - Piezoelectric Loud Speakers

Author(s): A. L. Williams
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 February 1935
Volume: 24
Page(s): 121 - 125
ISSN (Paper): 0097-5834
DOI: 10.5594/J10125
Regular:

Recent progress in piezoelectric loud speakers for theater use, including a new unit for upper registers, is described. Frequency-response characteristics of this unit alone and in combination are... View More

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