Emerson type 12SQ7GT twin-diode, high-Mu triode
date: label: date made
content: ca 1940
name: label: maker
content: Emerson Radio Corporation
notes: label: Description (Brief)
content: An 8-pin plastic base with center post and metal shell, T-shaped glass envelope. Stamped: "Emerson / Made in U.S.A." Donor’s card reads: “Twin diode-high Mu triode for use in Emerson radio receivers. Glass octal type used as a combined detector, amplifier, and AVC tube. Identical to the metal type 6-SQ-7 [catalog number 324565], except for the heater voltage. Heater: 12.6 volts at .15 ampere.” See also: https://www.radiomuseum.org/tubes/tube_12sq7gt.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.325067
label: catalog number
content: 325067
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
label: Object Name
content: dual diode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 5/8 in x 1 1/4 in; 6.6675 cm x 3.175 cm