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NBC RCA model parabolic condenser microphone on stand

NBC / RCA model parabolic condenser microphone on stand

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Description
Model of a NBC / RCA parabolic condenser microphone on stand. Model black parabola on natural wood tripod marked NBC. Unit was made for display purposes in 1935. Parabolic microphones were designed to transmit wide area ambient sound. Parabola shell reflects and focuses incoming sounds to the diaphragm of the microphone. Used with condenser, inductor, and velocity microphones.
Location
Currently not on view
Object Name
Parabolic Microphone
microphone
condenser microphone
date made
1938
maker
RCA Corporation
Measurements
overall: 16 in x 8 in x 6 in; 40.64 cm x 20.32 cm x 15.24 cm
ID Number
EM.311451
catalog number
311451
accession number
148157
Credit Line
from National Broadcasting Company, Inc.
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Work and Industry: Electricity
Data Source
National Museum of American History
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