• Country
• United States of America (USA)

• Manufacturer / Brand
• Atwater Kent Mfg. Co.; Philadelphia, USA

• Year
• 1922

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 33188

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

• Number of Tubes
• 3

• Valves / Tubes
• UV201A or UV200 UV201A UV201A

• Main principle
• TRF without regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Breadboard 3955 - Atwater Kent Mfg. Co.;

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 620 x 190 x 220 mm / 24.4 x 7.5 x 8.7 inch

• Notes
• Breadboard. One dial (primary tuning control knob) ; consists of Tuner 3752, Det.3902, and Amp.3654; still space to upgrade by 3714 for reaction (10$ extra), since Atwater Kent refused to take a licence from RCA for reaction. The upgrade was done by the end user (or the dealer on request).

• Net weight (2.2 lb = 1 kg)
• 4.5 kg / 9 lb 14.6 oz (9.912 lb)

• Price in first year of sale
• 38.00 $

• External source of data
• Ernst Erb

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

• Mentioned in
• A.Atwater Kent, The Man, 2002

• Literature/Schematics (1)
• Radio Manufacturers of the 1920s, Vol 1

• Literature/Schematics (2)
• Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 102)

• Other Models

• Here you find 508 models, 337 with images and 332 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Atwater Kent Mfg. Co.; Philadelphia, USA