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Six Transistor 4R-56

Six Transistor 4R-56; Sony Corporation; (ID = 1683963) Radio
Six Transistor 4R-56; Sony Corporation; (ID = 1607598) Radio Six Transistor 4R-56; Sony Corporation; (ID = 1607596) Radio
Six Transistor 4R-56; Sony Corporation; (ID = 1607597) Radio Six Transistor 4R-56; Sony Corporation; (ID = 1607601) Radio
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Six Transistor 4R-56; Sony Corporation; (ID = 1607598) Radio
Sony Corporation;: Six Transistor 4R-56 [Radio] ID = 1607598 640x480
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For model Six Transistor 4R-56, Sony Corporation; Tokyo
 
Country:  Japan
Manufacturer / Brand:  Sony Corporation; Tokyo
Year: 1968–1970 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 6: 2SA201 2SA198 2SA198 2SB270 2SB187 2SB187 1S426
Main principle Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
Tuned circuits 5 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / UM3: 4 x 1,5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm
Power out 0.3 W (unknown quality)
from Radiomuseum.org Model: Six Transistor 4R-56 - Sony Corporation; Tokyo
Material Plastics (no bakelite or catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Notes

Supplied with earphone and leather case.

Price in first year of sale 51.60 AUS $
Mentioned in Mingay's Price Service (Aug 1968 to Feb 1970.)
Literature/Schematics (1) J.R. Publications Transistor Radio Service Handbook (Group C5, 1968, Page S5-1.)

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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