General Electric type 12-AX-7 high-Mu twin triode
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A 9-pin glass base with tipped T-shaped envelope. Miniature tube. Stamped: " Donor’s card reads: “High-Mu twin triode made by General Electric Company. Used as a phase inverter or resistance-coupled amplifier in radio equipment, and in many diversified applications such as multivibrators or oscillators in industrial control devices. Center tapped heater for either 6.3 or 12.6 volt operation. Each plate maximum 300 volts and a negative control grid bias of 50 volts.” See also: https://www.radiomuseum.org/tubes/tube_12ax7.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.324838
label: catalog number
content: 324838
label: accession number
content: 252994
label: model number
content: 12Ax7
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: 2 1/4 in x 3/4 in; 5.715 cm x 1.905 cm