• Country
• United States of America (USA)

• Manufacturer / Brand
• Trav-Ler Karenola Radio & Television Corp.(Travler); Chicago

• Year
• 1937 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 63477

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

• Number of Tubes
• 4

• Valves / Tubes
• 6D6 6C6 43 25Z5

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 110-115 Volt

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

• from Radiomuseum.org
• Model: 42F - Trav-Ler Karenola Radio &

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 9 = 1938 and before

• Other Models

• Here you find 620 models, 282 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