Ken-Rad type 70L7GT rectifier / beam power amplifier
date: label: date made
content: ca 1939
name: label: maker
content: Ken-Rad Tube and Lamp Corporation
notes: label: Description (Brief)
content: A plastic base with 8 pins and center post, T-shaped envelope. Stamped on base: “Ken-Rad”. Donor’s card reads: “Rectifier - beam power amplifier made by Ken-Rad Corporation, Owensboro, KY, for use in AC/DC radio receivers. Contains a rectifier which will handle 420 volts at 70 milliamperes DC, and a beam audio output tube capable of handling 1.8 watts of audio power.” See also: https://www.radiomuseum.org/tubes/tube_70l7.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.324452
label: catalog number
content: 324452
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: tetrode
label: Object Name
content: rectifier
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