• Country
• United States of America (USA)

• Manufacturer / Brand
• Wallace & Co. (Paul E.); New York City, New York

• Year
• 1912

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 216886

• Number of Tubes
• 1

• Valves / Tubes
• Detector_Wallace

• Main principle
• TRF with regeneration

• 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: Wallace Valve Receiver Type 2 [Tubular Audion] - Wallace & Co. Paul E.; New

• Shape
• Tablemodel, with any shape - general.

• Notes
• Wallace produced this receiver in the summer of 1911. The set featured a switchable crystal or Tubular Audion detector. The circuit employed was regenerative two years before Armstrong "invented" the regenerative circuit. Armstrong had been invited to operate this receiver in the summer of 1911. Reference from Gerald Tyne and the RJ4 detector and the Wallace mystery 1978.

• Mentioned in
• 1978 The RJ4 Detector and the Wallace Mystery by Gerald Tyne

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wallace & Co. (Paul E.); New York City, New York