• Country
• United States of America (USA)

• Manufacturer / Brand
• Rasac (Radio and Scientific Apparatus Co.); San Francisco, California

• Year
• 1922

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 211594

• Number of Tubes
• 1

• Valves / Tubes
• UV200

• 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

• from Radiomuseum.org
• Model: Rasac Puretone Tuner - Rasac Radio and Scientific

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

• Notes
• The Puretone Tuner was manufactured for the Radio and Scientific Apparatus Company by the Radio Shop of Sunnyvale, California. The Puretone Tuner was designed by Ralph M. Heintz and covered the 150 to 3000 meters wavelength range.

• Price in first year of sale
• 85.00 $

• Mentioned in
• Radio Manufacturers of the 1920's, Vol. 3 (Page 63)

• Literature/Schematics (1)
• July 1922 Radio magazine page 43

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

• Other Models

• Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rasac (Radio and Scientific Apparatus Co.); San Francisco, California