RCA type 829B / 3E29 beam power amplifier
date: label: date made
content: ca 1944
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A glass base with 8-pins and two top pins for plate connection. Bottom tipped T-shaped envelope. Appears to have dual grid construction. Marked: "829B / RCA." Very high frequency use. Donor’s card reads: “Beam power amplifier made by the Radio Corporation of America. Transmitting type, dual for push-pull connection which will deliver full power up to 200 megacycles/ When used in a push-pull circuit, Class C, 600 volts on each plate, 225 volts on the screens, 70 volts negative control grid bias, output 50 watts of radio frequency power.” See also: https://www.radiomuseum.org/tubes/tube_829b.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.324773
label: catalog number
content: 324773
label: accession number
content: 252994
objectType: label: Object Name
content: electron tube
label: Object Name
content: dual triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/4 in x 2 1/4 in; 10.795 cm x 5.715 cm