Mullard type EL-34 vacuum pentode
name: label: maker
content: Mullard
notes: label: Description (Brief)
content: An 8-pin plastic base with center post. Tipless T-shaped envelope with internal getter stain. Stamped on envelope: “Mullard / EL34 / Made in / Great Britain”. Donor card reads: "Pentode made by Mullard, Ltd. of England. Used as a Class A amplifier in the audio output stage of many radio receivers and amplifiers. Quite similar to the EL-37 [catalog number 324496]. For Class A operation: 200 volts on the plate and screen, 100 milliamperes in the plate circuit, 13.5 volt negative control grid bias, for an output of 11 watts of audio." See also: https://www.radiomuseum.org/tubes/tube_el34.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.324499
label: catalog number
content: 324499
label: accession number
content: 252994
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: Measurements
content: overall: 4 1/4 in x 1 1/2 in; 10.795 cm x 3.81 cm