Silvertone 4428 Pre-octal tubes
Sears, Roebuck & Co.; Chicago (IL)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Sears, Roebuck & Co.; Chicago (IL)
- Year
- 1936
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 157564
-
- Brand: Silvertone
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Superheterodyne (common); ZF/IF 465 kHz
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- Power type and voltage
- Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
- from Radiomuseum.org
- Model: Silvertone 4428 [Pre-octal tubes] - Sears, Roebuck & Co.; Chicago
- Notes
- Farm radio. Vibrator for +B. Riders distinguishes between glass and octal tubes. That is insufficient insofar as the octals in question have glass bulbs as well. We say octals and pre-octals.
- Circuit diagram reference
- Rider's Perpetual, Volume 7 = 1936 and before
- Literature/Schematics (1)
- Riders 7-57, 58
- Author
- Model page created by Dirk Taekels. See "Data change" for further contributors.
- Other Models
-
Here you find 5486 models, 3219 with images and 4192 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)