• Country
• United States of America (USA)

• Manufacturer / Brand
• Duck Co., J.J. and William B.; Toledo, OH

• Year
• 1921

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 37844

• Number of Tubes
• 3

• Valves / Tubes
• UV201 or C301 UV201 or C301 UV200 or C300

• Main principle
• Crystal or Solid State Detector with Amplifer

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: CQ Receiver - Duck Co., J.J. and William B.;

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

• Dimensions (WHD)
• 8.5 x 10.7 x 7 inch / 216 x 272 x 178 mm

• Notes
• Recommended add-on: 2 step RF amplifier RFQ, announced for May 1922.

• Price in first year of sale
• 85.00 $

• External source of data
• Ernst Erb

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

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

• Other Models

• Here you find 58 models, 34 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Duck Co., J.J. and William B.; Toledo, OH