Six Transistor 4R-56
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Sony Corporation;: Six Transistor 4R-56 [Radio] ID = 1607598 640x480
Select picture or schematic to display from thumbnails on the right and click for download.
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| 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 |
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| Main principle | Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s) |
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| 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.
