• Country
• Great Britain (UK)

• Manufacturer / Brand
• Radio Supply Co.; Birmingham

• Year
• 1923/1924

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 71899

• Main principle
• Crystal or Solid State Detector

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

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Superfone - Radio Supply Co.; Birmingham

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 140 x 160 x 140 mm / 5.5 x 6.3 x 5.5 inch

• Notes
• Mahogany cabinet with lid; Black Ebonite control panel. Variometer with internal loading coil and shorting sockets on panel. BBC stamp, no GPO registration No.

• Net weight (2.2 lb = 1 kg)
• 0.8 kg / 1 lb 12.2 oz (1.762 lb)

• External source of data
• Sanders: Tickling the Crystal

• Mentioned in
• Tickling the Crystal; Sanders (Volume 1, page 151)

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Supply Co.; Birmingham