• 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
• 55926

• • Brand: Silvertone

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

• Number of Tubes
• 10

• Valves / Tubes
• 78 6A7 78 75 37 45 45 45 45 83-V

• Main principle
• Superhet with RF-stage; ZF/IF 175 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / Either transformer: 25 cycles, 110V or 50 to 60 cycles, 110 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone 1725 10-Tube Superheterodyne Order= 57EM 1725 - Sears, Roebuck & Co.; Chicago

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

• Dimensions (WHD)
• 21.5 x 36 x 12.5 inch / 546 x 914 x 318 mm

• Notes

• The Sears Silvertone 1725 is an AC operated 10 tube BC band receiver.  Has push-pull output stage with parallel 45 type tubes on each side for a total of Qty(4) output tubes.

  The chassis and schematic used in this model is also used in models 1720, 7065, 7103 and 7115.

  Catalog States: Nationwide receiving range with power to spare.  Also police calls on 170 meter wave length. Construction of a pleasing ensemble of such rich veneers as clairo wood, striped walnut, Orientalwood and birdseye maple.

  Order number 57EM 1725 Cash Price $ 48.95. 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).

• Price in first year of sale
• 48.95 $

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 4 = ca. 1934 and before

• Mentioned in
• Pre-War Consoles

• Literature/Schematics (1)
• Riders 4-22, 23 ; 5-13 ; 7-15

• Literature/Schematics (2)
• The Sears Silvertone Catalogs 1930-1942 (page 74)

• Literature/Schematics (3)
• Sears, Roebuck Catalogs (Silvertone) (# 168, Spring & Summer 1934, page 370.)

• Literature/Schematics (4)
• Silvertone Radios, Service Inf. 1928 thru 1936 (Pages 365 to 369)

• Other Models

• Here you find 5471 models, 3201 with images and 4174 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)