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2 Band 8 Transistor R21

2 Band 8 Transistor R21; Challenge; where? (ID = 2665923) Radio 2 Band 8 Transistor R21; Challenge; where? (ID = 2665925) Radio
2 Band 8 Transistor R21; Challenge; where? (ID = 2665919) Radio 2 Band 8 Transistor R21; Challenge; where? (ID = 2665932) Radio
2 Band 8 Transistor R21; Challenge; where? (ID = 2665924) Radio 2 Band 8 Transistor R21; Challenge; where? (ID = 2665922) Radio
2 Band 8 Transistor R21; Challenge; where? (ID = 2665929) Radio 2 Band 8 Transistor R21; Challenge; where? (ID = 2665928) Radio
2 Band 8 Transistor R21; Challenge; where? (ID = 2665920) Radio 2 Band 8 Transistor R21; Challenge; where? (ID = 2665926) Radio
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2 Band 8 Transistor R21; Challenge; where? (ID = 2665923) Radio
Challenge; where?: 2 Band 8 Transistor R21 [Radio] ID = 2665923 1400x753
Select picture or schematic to display from thumbnails on the right and click for download.
For model 2 Band 8 Transistor R21, Challenge; (where?)
 
Country:  unknown Country
Manufacturer / Brand:  Challenge; (where?)
Year: 1968 ?? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 8:
Main principle Superheterodyne (common)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Dry Batteries / 3 x 1,5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.5 cm = 2.2 inch
Power out 0.6 W (unknown quality)
from Radiomuseum.org Model: 2 Band 8 Transistor R21 - Challenge; where?
Material Various materials
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 172 x 86 x 75 mm / 6.8 x 3.4 x 3 inch
Notes

Challenge 2 Band MW/LW 8 Transistor mod. R21
Rod antenna, hi-lo tone, ext ant socket, ear phone socket.

Made in the Republic of Ireland

 

Net weight (2.2 lb = 1 kg) 0.450 kg / 0 lb 15.9 oz (0.991 lb)

Model page created by Eckhard Wegner. 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.




  
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