• Country
• United States of America (USA)

• Manufacturer / Brand
• Thordarson Electric Mfg. Co. ; Chicago (IL)

• Year
• 1925

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 173992

Click on the schematic thumbnail to request the schematic as a free document.

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Material
• Various materials

• from Radiomuseum.org
• Model: Interstage Transformer - Thordarson Electric Mfg. Co. ;

• Notes
• The Thordarson INTERSTAGE Power Amplifying Transformer. Provides two stages of power amplification when inserted in circuit between Input and Output Power Amplifying transformers. Four tubes are required, but the quality of the reception more than repays you. Only Thordarson builds a transformer of this type. Each $8.

• Price in first year of sale
• 8.00 $

• Literature/Schematics (1)
• Radio News ((October 1925, p. 505))

• Author
• Model page created by Karlheinz Gützlaff. See "Data change" for further contributors.

• Other Models

• Here you find 65 models, 53 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Thordarson Electric Mfg. Co. ; Chicago (IL)