• Country
• United States of America (USA)

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

• Year
• 1936 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 312157

• Number of Tubes
• 4

• Valves / Tubes
• 6D6 6C6 43 25Z5 L55B

• Main principle
• TRF without regeneration

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• AC/DC-set / 110 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 4 inch = 10.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 69U - Sentinel Radio Corp., Evanston

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 12 x 8 x 6.5 inch / 305 x 203 x 165 mm

• Notes

• Also contains ballast. Schematic similar to Sentinel 4100B, Riders 6-5.

• Net weight (2.2 lb = 1 kg)
• 13 lb (13 lb 0 oz) / 5.902 kg

• Circuit diagram reference
• Rider's Perpetual, Volume 6 = 1935 and before

• Author
• Model page created by Dale Allen. See "Data change" for further contributors.

• Other Models

• Here you find 710 models, 349 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