Western Electric type 313A pentode
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-pin base, two similar control electrodes and one anode, tipless black glass envelope, in original box with instruction sheet. A cold cathode gas-filled tube. Markings: "Western Electric USA - 313A -" "Low-power, suppressor-grid pentode with indirectly heated cathodes. The 311A and 329A tubes are identical except for the heaters. These tubes are intended primarily for use as audio, carrier or radio-frequency power amplifiers where power outputs of approximately two watts are required and where the plate voltage is not in excess of 180 volts. The suppressor grid is permanently connected to the cathode within the tube." Reference: https://www.westernelectric.com/s/313A.pdf.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322715
label: catalog number
content: 322715
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Measurements
content: tube: 3 1/4 in x 1 1/4 in; 8.255 cm x 3.175 cm
label: Measurements
content: box: 5 in x 1 3/4 in x 1 3/4 in; 12.7 cm x 4.445 cm x 4.445 cm