• Country
• United States of America (USA)

• Manufacturer / Brand
• Sears, Roebuck & Co.; Chicago (IL)

• Year
• 1940

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 56450

• • Brand: Silvertone

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

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Silvertone 4709 Power Shifter Ch= 139.600 - Sears, Roebuck & Co.; Chicago

• Notes
• For 6 Volt Battery radios.

• External source of data
• Ernst Erb

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

• Literature/Schematics (1)
• Riders 13-17

• Other Models

• Here you find 5487 models, 3219 with images and 4193 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)