RCA type 806 transmitting triode
date: label: date made
content: ca 1933
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A 4-pin metal base with top cap, ceramic insulator, G-shaped envelope. Stamped: “Made in / 806 / U.S.A.” Donor’s card reads: “Triode made by the Radio Corporation of America about 1933 or before. Widely used in amateur transmitters in the 1930s. Radio News, April 1937, page 5, announced this with an open top plate as a new tube. A transmitting tube for use up to 30 megacycles. An early design of the type 806 [catalog number 324968]. Filament type: 5 volts at 10 amperes. Used in Class C operation, 2500 volts at 195 milliamps on the plate, 600 volt negative control grid bias, 32 watts drive, for an output of 390 watts.” See also: https://www.radiomuseum.org/tubes/tube_806.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325309
label: catalog number
content: 325309
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 9 1/2 in x 3 1/2 in; 24.13 cm x 8.89 cm