- Country
 - United States of America (USA)
 
- Manufacturer / Brand
 - Trav-Ler Karenola Radio & Television Corp.(Travler); Chicago
 
- Year
 - 1938 ?
 
- Category
 - Broadcast Receiver - or past WW2 Tuner
 
- Radiomuseum.org ID
 - 63475
 
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
 - 5
 
- Main principle
 - Superheterodyne (common); ZF/IF 456 kHz
 
- Tuned circuits
 - 6 AM circuit(s)
 
- Wave bands
 - Broadcast only (MW).
 
- Power type and voltage
 - Alternating Current supply (AC) / 110 Volt
 
- Loudspeaker
 - Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
 
- from Radiomuseum.org
 - Model: 425 - Trav-Ler Karenola Radio &
 
- Notes
 - Push-button tuner.
 
- External source of data
 - Ernst Erb
 
- Circuit diagram reference
 - Rider's Perpetual, Volume 10 = 1939 and before
 
- Other Models
 - 
        
Here you find 620 models, 284 with images and 520 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Trav-Ler Karenola Radio & Television Corp.(Travler); Chicago