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8 Transistor 7R-83

8 Transistor 7R-83; Sony Corporation; (ID = 1684011) Radio
8 Transistor 7R-83; Sony Corporation; (ID = 1583794) Radio 8 Transistor 7R-83; Sony Corporation; (ID = 1583795) Radio
8 Transistor 7R-83; Sony Corporation; (ID = 1583796) Radio 8 Transistor 7R-83; Sony Corporation; (ID = 1583797) Radio
8 Transistor 7R-83; Sony Corporation; (ID = 1583798) Radio 8 Transistor 7R-83; Sony Corporation; (ID = 1583800) Radio
8 Transistor 7R-83; Sony Corporation; (ID = 1583801) Radio 8 Transistor 7R-83; Sony Corporation; (ID = 1583802) Radio
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8 Transistor 7R-83; Sony Corporation; (ID = 1583794) Radio
Sony Corporation;: 8 Transistor 7R-83 [Radio] ID = 1583794 640x480
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For model 8 Transistor 7R-83, Sony Corporation; Tokyo
 
Country:  Japan
Manufacturer / Brand:  Sony Corporation; Tokyo
Year: 1970/1971 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 8: 2SC403 2SC403 2SC402 2SC402 2SB186 2SB186 2SB187 2SB187 1S188
Main principle Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast plus 2 Short Wave bands.
Details
Power type and voltage Batteries / addl. power jack / C: 3 x 1,5 / 4,5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out 0.5 W (unknown quality)
from Radiomuseum.org Model: 8 Transistor 7R-83 - Sony Corporation; Tokyo
Material Plastics (no bakelite or catalin)
Shape Portable set > 8 inch (also usable without mains)
Dimensions (WHD) 240 x 130 x 70 mm / 9.4 x 5.1 x 2.8 inch
Price in first year of sale 74.60 AUS $
Mentioned in Mingay's Price Service (Aug 1970 & Feb 1971.)
Literature/Schematics (1) J.R. Publications Transistor Radio Service Handbook (Group G7, 1970, Page S40-1.)

Model page created by Aldo Andreani. See "Data change" for further contributors.



All listed radios etc. from Sony Corporation; Tokyo
Here you find 3557 models, 3410 with images and 753 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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