Sylvania type 3-D-6 / 1299 beam power amplifier
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: A 7-pin metal base with center post, T-shaped envelope. Donor’s card reads: “Beam power amplifier made by the Sylvania Corporation. Lock-in type, used as an audio amplifier and as a radio frequency amplifier will deliver up to 1.4 watts at 30 megacycles. Center tapped filament, 1.4 or 2.8 volts at .22 or .11 ampere respectively.” See also: https://www.radiomuseum.org/tubes/tube_3d6.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.325142
label: catalog number
content: 325142
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: electron tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 3/4 in x 1 1/8 in; 6.985 cm x 2.8575 cm