Kennedy type 521 two-stage radio amplifier
date: label: date made
content: ca 1925
name: label: maker
content: Colin B. Kennedy Co.
notes: label: Description (Brief)
content: Marked: "Type 521 / Two Stage Amplifier / The Colin B. Kennedy Co. / San Francisco / Saint Louis"; on metal tag: "Serial No. L5038W6". A two-stage audio amplifier using two 301-A triodes with a transformer coupling. Controls on the bakelite panel include rheostats and jacks for monitoring detector and audio stages.
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.321518
label: catalog number
content: 321518
label: accession number
content: 241556
objectType: label: Object Name
content: radio receiver
physicalDescription: label: Measurements
content: overall: 7 1/4 in x 8 in x 6 1/8 in; 18.415 cm x 20.32 cm x 15.5575 cm