• Country
• United States of America (USA)

• Manufacturer / Brand
• Watterson Radio Mfg. Co., Dallas, TX

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 340004

• Number of Tubes
• 4

• Valves / Tubes
• 6D6 6C6 43 25Z5

• Main principle
• TRF without regeneration; 1 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 110 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 1936 Texas Centennial - Watterson Radio Mfg. Co.,

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes

• Schematic is similar to the Watterson model 400.

• Mentioned in
• Evolution of the Radio (Volume 1)

• Author
• Model page created by Jay Kinnard. See "Data change" for further contributors.

• Other Models

• Here you find 62 models, 33 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Watterson Radio Mfg. Co., Dallas, TX