• Country
• United States of America (USA)

• Manufacturer / Brand
• Stancor; Chicago, Ill.

• Year
• 1948 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 338444

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Universal Interstage Transformer A-4773 - Stancor; Chicago, Ill.

• Shape
• Chassis only or for «building in»

• Notes

• Turns ratio: 1:3. 
  Maximum primary current: 10 mA.
  Bandwidth +/-3dB: 70Hz to 10kHz.

  Audio transformer that may be used for Push-Pull Plates (7k to 20kΩ) to Parallel or Push-Pull Grids.

   

• Literature/Schematics (1)
• Stancor Transformers Catalog 140H, 1948, pg. 3

Transformer Stancor A-4773 - Instruction Sheet

1782 KB

• Documents regarding this model

• Author
• Model page created by Alessandro De Poi. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 9 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stancor; Chicago, Ill.