NBC / RCA model parabolic condenser microphone on stand
date: label: date made
content: 1938
name: label: maker
content: RCA Corporation
notes: label: Description
content: 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.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from National Broadcasting Company, Inc.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.311451
label: catalog number
content: 311451
label: accession number
content: 148157
objectType: label: Object Name
content: Parabolic Microphone
label: Object Name
content: microphone
label: Object Name
content: condenser microphone
label: Other Terms
content: Parabolic Microphone; Audio Devices
physicalDescription: label: Measurements
content: overall: 16 in x 8 in x 6 in; 40.64 cm x 20.32 cm x 15.24 cm