RCA type 89 triple grid power amplifier
date: label: date made
content: ca 1933
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: Plastic 6-pin base with top contact, domed envelope. Donor’s card reads: “Triple grid power amplifier made by the Radio Corporation of America. Used in the audio output stage of radio receivers. Heater type, 6.3 volts at .4 ampere. Maximum output is .35 watt.”
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.324574
label: catalog number
content: 324574
label: accession number
content: 252994
objectType: label: Object Name
content: pentode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 3/8 in x 1 1/2 in; 11.1125 cm x 3.81 cm