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3 Band 12 Transistor

3 Band 12 Transistor ; Challenge; where? (ID = 2666412) Radio
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3 Band 12 Transistor ; Challenge; where? (ID = 2666412) Radio
Challenge; where?: 3 Band 12 Transistor [Radio] ID = 2666412 700x586
Select picture or schematic to display from thumbnails on the right and click for download.
For model 3 Band 12 Transistor, Challenge; (where?):
ebay #308704773 via
Country:  unknown Country
Manufacturer / Brand:  Challenge; (where?)
Year: 1965 ?? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 12:
Main principle Superheterodyne (common)
Wave bands Broadcast, Long Wave and FM or UHF.
Power type and voltage Dry Batteries
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Model: 3 Band 12 Transistor - Challenge; where?
Material Plastics (no bakelite or catalin)
Shape Portable set > 8 inch (also usable without mains)
Dimensions (WHD) 260 x 170 x 100 mm / 10.2 x 6.7 x 3.9 inch

Model page created by Mark Hippenstiel. See "Data change" for further contributors.

All listed radios etc. from Challenge; (where?)
Here you find 5 models, 5 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.