• Country
• Ireland

• Manufacturer / Brand
• Challenge, (Brand); Where?

• Year
• 1965 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 347275

• Number of Transistors
• 6

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Dry Batteries / 4.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Challenge All Transistor 2 Band R19 - Challenge, Brand; Where?

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• All Transistor 2 Band Radio

• Author
• Model page created by Clive Forder. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Challenge, (Brand); Where?