RCA type 12-Q-7-GT “Radiotron” twin diode high-Mu triode
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A 7-pin metal base with plastic insulator and center post, top contact, T-shaped envelope. Stamped: “12Q7 / GT / RCA Radiotron / Electron / Tube”. Donor’s card reads: “Twin diode high-Mu triode made by the Radio Corporation of America. Glass octal type used as a combination detector, amplifier and automatic volume control in AC/DC radio receivers. Except for heater voltage, this tube is identical with the type 6-Q-7-G [catalog number 324579]. Heater type: 12.6 volts at .15 ampere.” See also: https://www.radiomuseum.org/tubes/tube_12q7gt.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.325268
label: catalog number
content: 325268
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
label: Object Name
content: diode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 1/4 in x 1 1/4 in; 8.255 cm x 3.175 cm