• Country
• United States of America (USA)

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

• Year
• 1938/1939

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 63558

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

• Number of Tubes
• 6

• Valves / Tubes
• 6K7GT 6A8GT 6K7GT 6Q7GT 6K6GT 6X5GT

• Main principle
• Superhet with RF-stage; ZF/IF 456 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• from Radiomuseum.org
• Model: 620 [late] - Trav-Ler Karenola Radio &

• Shape
• Chassis only or for «building in»

• Notes

• Vibrator for +B; 12 V DC supply when so marked. Brown wrinkle finish. 6 buttons. Range: 1560-540 kc.

• Price in first year of sale
• 26.95 $

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Literature/Schematics (3)
• -- Original prospect or advert (The Trav-Ler Folder for 1939.)

• 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