• Country
• United States of America (USA)

• Manufacturer / Brand
• Mignon Mfg., Newark

• Year
• 1919/1920

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 162243

• Number of Tubes
• 1

• Valves / Tubes
• VT-1 or VT-Class-I or B_Moorhead-Shaw

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); none

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

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Undamped Wave Receptor RW4 - Mignon Mfg., Newark

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 12 x 9 x 6.5 inch / 305 x 229 x 165 mm

• Notes
• Anzeigentext v. März 1920:
  Mignon "RW4" undamped wave receptors;
  No Loose Couplers, no Loading Coils, no Variometers and Amplifiers...
  Strongest, Most Distinct Signals

• Literature/Schematics (1)
• Electrical Experimenter,- March 1920

• Literature/Schematics (3)
• Radio News (Technical article February 1921 page 516)

• Author
• Model page created by Helmut Schrammel. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 7 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mignon Mfg., Newark