• Country
• United States of America (USA)

• Manufacturer / Brand
• Gulbransen Co.; Chicago

• Year
• 1933 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 18678

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

• Number of Tubes
• 5

• Valves / Tubes
• 77 78 77 43 25Z5

• Main principle
• Superheterodyne (common)

• from Radiomuseum.org
• Model: 05A - Gulbransen Co.; Chicago

• External source of data
• E. Erb 3-907007-36-0

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

• Other Models

• Here you find 64 models, 10 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gulbransen Co.; Chicago