• Country
• United States of America (USA)

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

• Year
• 1941 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 65253

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 6D6 75 41 1-V

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 57 - Watterson Radio Mfg. Co.,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 14 x 11 x 7.5 inch / 356 x 279 x 191 mm

• Notes

• The Watterson 57 is an AC operated 5 tube BC and SW band receiver.  The speaker is mounted on the left side of the radio. 

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 12 = ca. 1941 and before

• Literature/Schematics (1)
• Rider's Perpetual, Volume 12 = ca. 1941 and before (Riders 12-2)

• 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