• Country
• United States of America (USA)

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

• Year
• 1942

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 57537

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

• Number of Tubes
• 7

• Valves / Tubes
• 6SG7 6SA7 6SK7 6SQ7 6F6G 6AD7G 5Y3G

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 268 - Sentinel Radio Corp., Evanston

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 22 x 11 x 12 inch / 559 x 279 x 305 mm

• Notes

• BC (540-1620 kHz) and SW (5.7-18.3 MHz) bands. Built in loop antenna.
  Push-pull output stage. 6, 10 or 12 inch speaker.

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 13 = 1942 and before

• 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