EIMAC type 3-X-2500-F-3 triode
date: label: date made
content: ca 1956
name: label: maker
content: Eimac
notes: label: Description (Brief)
content: A glass cylinder with a ventilated heat sink on the bottom, and a metal top cap with adjustment assembly and three heavy leads. Stamped: "17-34477". Donor’s card reads: “Triode made by Eitel-McCullough of San Carols, Calif. about 1956. This tube was used in the output stage of the AM broadcast transmitter at station WCOJ, Coatesville, Pa. Thoriated tungsten filament: 7.5 volts at 41 amperes, a non-emitting grid, and an external air-cooled anode. As a Class C amplifier with 5000 volts at 1.45 amperes on the plate, 550 volt negative control grid bias, this tube can deliver an output of 5580 watts of radio frequency power.”
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.324951
label: catalog number
content: 324951
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: 10 in x 4 1/4 in; 25.4 cm x 10.795 cm