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AM Solid State 2 R-31

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AM Solid State 2 R-31; Sony Corporation; (ID = 2051088) Radio
Sony Corporation;: AM Solid State 2 R-31 [Radio] ID = 2051088 1009x1423
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For model AM Solid State 2 R-31, Sony Corporation; Tokyo
 
Country:  Japan
Manufacturer / Brand:  Sony Corporation; Tokyo
Year: 1970 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 6: 2SA201 2SA202 2SA203 2SB186 2SB187 2SB187
schematic requested
Main principle Superheterodyne (common); ZF/IF 455 kHz
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / 2 x 1,5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch
Power out 0.2 W (unknown quality)
from Radiomuseum.org Model: AM Solid State 2 R-31 - Sony Corporation; Tokyo
Material Modern plastics (no Bakelite or Catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 60 x 100 x 30 mm / 2.4 x 3.9 x 1.2 inch
Notes

Sony Pocket Solid State AM Radio Model 2R-31.
Earphone Jack
Battery: Two Penlight UM-3.

Net weight (2.2 lb = 1 kg) 0.2 kg / 0 lb 7 oz (0.441 lb)
Mentioned in -- Collector info (Sammler) (Bunis, Transistor Radios, 2nd ed., p.253)

Model page created by Peter Hoddow. See "Data change" for further contributors.



All listed radios etc. from Sony Corporation; Tokyo
Here you find 3517 models, 3255 with images and 742 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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