Clapp-Eastham "Radak" type HZ audio amplifier
date: label: date made
content: 1922
name: label: maker
content: Clapp-Eastham Co.
notes: label: Description (Brief)
content: Clapp-Eastham "Radak" type HZ audio amplifier, sn 254. Unit missing tubes. Two stage audio amplifier employing 201-A type triodes (missing from unit). Hard rubber panel has detector and audio monitoring jacks, filament rheostats, binding posts for input and battery connections. Audio transformers are of the Clapp-Eastham "Maximus" type. The complete HZ amplifier without accessories sold for $40.00. Ref.: Clapp-Eastham Bulletin F2, 1922, pp 5-7.
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.241556.008
label: accession number
content: 241556
label: catalog number
content: 241556.008
objectType: label: Object Name
content: audio amplifier
physicalDescription: label: Measurements
content: overall: 9 1/2 in x 7 3/4 in x 6 in; 24.13 cm x 19.685 cm x 15.24 cm