• Country
• United States of America (USA)

• Manufacturer / Brand
• Viking Radio Co.; New York City, New York

• Year
• 1928 ?

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 329676

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Audio Transformer - Viking Radio Co.; New York

• Notes

• Sold in the US and also exported to Australia.

• Mentioned in
• Wireless Weekly (Australia) (Jun 22, 1928, Page 39)

• Author
• Model page created by Gary Cowans. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Viking Radio Co.; New York City, New York