Silvertone 1857A
Sears, Roebuck & Co.; Chicago (IL)
- 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
- 55996
-
- Brand: Silvertone
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Number of Transistors
- Semiconductors
- 31_Ballast
- Main principle
- Superheterodyne (common); ZF/IF 175 kHz; 2 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast, Short Wave(s) and Police.
- Power type and voltage
- Storage and/or dry batteries / -4.5 & -1.5 & -4.5 & 135 & 2 to 3 or 6 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
- Material
- Wooden case
- from Radiomuseum.org
- Model: Silvertone 1857A - Sears, Roebuck & Co.; Chicago
- Notes
-
The Sears Silvertone 1857A is a battery operated 7 tube BC, Police and SW band receiver. Uses 31 Ballast tube. Has AVC. May use either 6V or 2-3V "A+" battery.
Chassis and schematic used in this model also used in model 1867.
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 6-40, 41)
- Literature/Schematics (2)
- Silvertone Radios, Service Inf. 1928 thru 1936 (Pages 576 to 581)
- Other Models
-
Here you find 5490 models, 3221 with images and 4198 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)