Philips type KL-4 "Miniwatt" pentode
name: label: maker
content: Philips
notes: label: Description (Brief)
content: A plastic 8-contact base with top contact, coated domed envelope. Donor’s card reads: “Pentode made by Philips of Holland. Used as a Class A audio output tube. Filament type: 2 volts at .14 amp. Plate and screen 90 volts, 2.5 volt negative control grid bias, output of .16 watt.” See also: https://www.radiomuseum.org/tubes/tube_kl4.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.324734
label: catalog number
content: 324734
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 1/2 in x 1 5/8 in; 8.89 cm x 4.1275 cm