• Country
• United States of America (USA)

• Manufacturer / Brand
• Sentinel Radio Corp., Evanston, Illinois

• Year
• 1932 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 344952

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

• Number of Tubes
• 4

• Valves / Tubes
• 58 57 47 80

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• from Radiomuseum.org
• Model: 422 - Sentinel Radio Corp., Evanston

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 126 Folder 1 Production changes Bulletin dated 3-51)

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 100 Folder 11)

• Author
• Model page created by Dirk Taekels. See "Data change" for further contributors.

• Other Models

• Here you find 710 models, 350 with images and 602 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sentinel Radio Corp., Evanston, Illinois