RCA / Cunningham type 6-F-7 low-Mu triode
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A 7-pin plastic base with top contact, domed envelope, screen grid. Stamped on envelope: “6F7”, on base: “[RCA logo] Cunningham / Radiotron”. Donor’s card reads: “Low Mu triode made by the Radio Corporation of America. Designed for use as a radio frequency amplifier and second detector, or as a combined detector and mixer tube in superheterodyne radio receivers. Heater type: 6.3 volts at .3 amperes. Triode side uses 100 volts on the plate and a 3 volt negative control grid bias, the pentode side uses 250 volts on the plate, 100 volts on the screen, and a 3 volt negative control grid bias.” See also: https://www.radiomuseum.org/tubes/tube_6f7.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.324530
label: catalog number
content: 324530
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 1/2 in; 11.43 cm x 3.81 cm