• Country
• United States of America (USA)

• Manufacturer / Brand
• Karlowa Radio Co., The; Rock Island, Illinois

• Year
• 1921

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 197828

• Number of Tubes
• 1

• Valves / Tubes
• UV200

• Main principle
• TRF without regeneration

• Wave bands
• Broadcast (MW) and Long Wave.

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Tuner and Detector Unit K73 - Karlowa Radio Co., The; Rock

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

• Dimensions (WHD)
• 7.5 x 7.5 x 8 inch / 191 x 191 x 203 mm

• Notes
• The Karlowa Radio Company Type K73 Tuner Detector covered the 150 to 25000 meters wavelength range.

• Price in first year of sale
• 30.00 $

• Literature/Schematics (1)
• September 1921 QST magazine advertisement page 90

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Karlowa Radio Co., The; Rock Island, Illinois