• Country
• United States of America (USA)

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

• Year
• 1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 55969

• • Brand: Silvertone

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

• Number of Tubes
• 14

• Valves / Tubes
• 78 76 76 78 78 75 76 45A or 45 45A or 45 45A or 45 45A or 45 45A or 45 45A or 45 5Z3

• Main principle
• Superheterodyne (common); ZF/IF 175 kHz; 3 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / Either 25 cycles, 115V or 60 cycles, 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone 1825A - Sears, Roebuck & Co.; Chicago

• Shape
• Console, Lowboy (legs < 50 %).

• Notes

•  

  The Sears Silvertone 1825A is an AC operated 14 tube BC and SW band receiver.  Has AVC and push-pull output using Qty(2) 45A or 45 tubes in parallel on each side of the output stage. 

  See details and summaries about Sears catalogs etc. This model was manufactured for Sears by Colonial Radio Corp., Buffalo, NY (Sears Manufacturer Source Number Code 101).

• External source of data
• Ernst Erb

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

• Literature/Schematics (1)
• Rider's Perpetual, Volume 6 = 1935 and before (Riders Sears 6-30, 31)

• Literature/Schematics (2)
• Silvertone Radios, Service Inf. 1928 thru 1936 (Pages 525 to 531)

• Other Models

• Here you find 5499 models, 3224 with images and 4208 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)