• Country
• United States of America (USA)

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

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 57707

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

• Number of Tubes
• 11

• Valves / Tubes
• 6K7 6A8 6J7 6K7 6H6 6C5 6C5 6F6 6C5 6F6 80

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz; 3 AF stage(s)

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110-250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 76 A - Sentinel Radio Corp., Evanston

• Shape
• Console with any shape - in general

• Notes
• BC (540-1720 kHz), SW1 (1.55-5.6 MHz) and SW2 (5.55-18.5MHz) bands. 8 circuits for BC band, 7 circuits for SW bands. RF stage used only for BC band. AFC circuit. Push-pull audio amplifier.

• External source of data
• Ernst Erb

• Source of data
• Antique Radios, Johnson 1986

• Circuit diagram reference
• Rider's Perpetual, Volume 9 = 1938 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