• Country
• United States of America (USA)

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

• Year
• 1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 55991

• • Brand: Silvertone

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

• Number of Tubes
• 9

• Valves / Tubes
• 951 230 951 951 230 230 230 950 950

• Number of Transistors

• Semiconductors
• 31_Ballast

• Main principle
• Superheterodyne (common); ZF/IF 175 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Storage and/or dry batteries / 135 & -6 & 2-3 & -4.5 & -1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm

• from Radiomuseum.org
• Model: Silvertone 1854A - Sears, Roebuck & Co.; Chicago

• Notes
• Ballast tube 31.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 7 = 1936 and before

• Literature/Schematics (1)
• Riders 7-7, 8

• Other Models

• Here you find 5464 models, 3199 with images and 4169 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)