• Country
• United States of America (USA)

• Manufacturer / Brand
• Jefferson Travis Corp.; New York, NY

• Year
• 1961 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 260138

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

• Number of Transistors
• 7

• Semiconductors
• MC103 OC44 OC44 OC71 OC71 OC72 OC72

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / AA: 4 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: JT-G104 - Jefferson Travis Corp.; New

• Dimensions (WHD)
• 6 x 3.5 x 0 inch / 152 x 89 x 0 mm

• Notes

• 2-Band AM and Short Wave Transistor Radio Model Jefferson-Travis Transistor 7 JT-G104

  Tuning Range:
  BC : 540 - 1600 kc
  SW : 3.9 - 12 Mc

  Leather Protecting Case

  Made in Japan

• Mentioned in
• Photofact Folder, Howard W. SAMS (Folder 524-12, March, 1961)

• Literature/Schematics (1)
• Photofact TSM Transistor Radio Series SAMS (TSM-11, April 1962, pages 61 - 66)

• Literature/Schematics (2)
• Collector's Guide To TrR1 Bunis trans.94 (1996, page 133)

• Author
• Model page created by Jose Luis Espinosa Gonzalez. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 14 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Jefferson Travis Corp.; New York, NY