281 Short-Wave Regenerative Receiver .

• Country
• United States of America (USA)

• Manufacturer / Brand
• Kennedy Co., Colin B.; San Francisco & St.Louis

• Year
• 1921

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 45433

• • alternative name: Colin B. Kennedy Corp.
  • Brand: Globe Trotter

• Picture
• Schematics

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Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 1

• Valves / Tubes
• UV200 or C300

• Main principle
• TRF with regeneration

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: 281 Short-Wave Regenerative Receiver [.] - Kennedy Co., Colin B.; San

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 450 x 190 x 180 mm / 17.7 x 7.5 x 7.1 inch

• Notes
• Three dials (primary tuning control knobs) Covers 175 to 620 meters. Matching LF Amplifier 521.

• Net weight (2.2 lb = 1 kg)
• 4.7 kg / 10 lb 5.6 oz (10.352 lb)

• Price in first year of sale
• 80.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• Vintage Radio 1887-1929, Greenwood's Classic Pictorial Album

• Literature/Schematics (1)
• William B.Duck Catalog No.16 (1921)

• Other Models

• Here you find 145 models, 76 with images and 67 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kennedy Co., Colin B.; San Francisco & St.Louis