- Country
- United States of America (USA)
- Manufacturer / Brand
- Sentinel Radio Corp., Evanston, Illinois
- Year
- 1942 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 57530
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast plus more than 2 Short Wave bands.
- Power type and voltage
- Line / Storage batteries (perhaps also batteries) / 115-230/6 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- from Radiomuseum.org
- Model: 257 - Sentinel Radio Corp., Evanston
- Notes
- Speaker = 6 or 10 inch. Vibrator for +B (for bat.supply).
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 13 = 1942 and before
- Other Models
-
Here you find 710 models, 350 with images and 602 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sentinel Radio Corp., Evanston, Illinois