• 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
• 63494

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

• Number of Tubes
• 4

• Valves / Tubes
• 6D6 6C6 43 25Z5

• Number of Transistors

• Semiconductors
• 55KB

• Main principle
• TRF without regeneration

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 501 - Trav-Ler Karenola Radio &

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 10.5 x 7.5 x 5.5 inch / 267 x 191 x 140 mm

• Notes
• Ballast tube 55KB.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 10 = 1939 and before

• Other Models

• Here you find 611 models, 279 with images and 511 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