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4 Transistors RP 1270 TRF (Geradeaus)

4 Transistors RP 1270; Sanyo Electric Co. (ID = 1845989) Radio 4 Transistors RP 1270; Sanyo Electric Co. (ID = 1845993) Radio
4 Transistors RP 1270; Sanyo Electric Co. (ID = 1845992) Radio 4 Transistors RP 1270; Sanyo Electric Co. (ID = 1264086) Radio
4 Transistors RP 1270; Sanyo Electric Co. (ID = 1264085) Radio 4 Transistors RP 1270; Sanyo Electric Co. (ID = 1070587) Radio
4 Transistors RP 1270; Sanyo Electric Co. (ID = 540055) Radio 4 Transistors RP 1270; Sanyo Electric Co. (ID = 178816) Radio
4 Transistors RP 1270; Sanyo Electric Co. (ID = 1264087) Radio 4 Transistors RP 1270; Sanyo Electric Co. (ID = 1264088) Radio
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4 Transistors RP 1270; Sanyo Electric Co. (ID = 1845989) Radio
Sanyo Electric Co.: 4 Transistors RP 1270 [Radio] ID = 1845989 1145x848
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For model 4 Transistors RP 1270 TRF (Geradeaus), Sanyo Electric Co. Ltd.; Moriguchi (Osaka)
 
Country:  Japan
Manufacturer / Brand:  Sanyo Electric Co. Ltd.; Moriguchi (Osaka)
Year: 1985–1990 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 3: TA7642 2SC9014 2SC9015 PE8050
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / AA: 2 x 1.5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.6 cm = 2.2 inch
Power out 0.15 W (unknown quality)
from Radiomuseum.org Model: 4 Transistors RP 1270 [TRF ] - Sanyo Electric Co. Ltd.;
Material Modern plastics (no Bakelite or Catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 103 x 75 x 33 mm / 4.1 x 3 x 1.3 inch
Notes

Sanyo RP-1270, here as a TRF receiver where the ferrite rod acts as the only tunable circuit. Therefore without IF section.
Different color versions known, Made in China.

See also both superheterodyne models Sanyo RP-1270 (6 transistors) and RP-1270 (single IC).

The IC TA7642 acts as the TRF amplifier.

El circuito integrado TA7642, amplifica la RF sintonizada

Net weight (2.2 lb = 1 kg) 0.135 kg / 0 lb 4.8 oz (0.297 lb)
Mentioned in -- Original prospect or advert (1985 Sanyo Portables (German & French))

Model page created by Howard Craven. See "Data change" for further contributors.



All listed radios etc. from Sanyo Electric Co. Ltd.; Moriguchi (Osaka)
Here you find 1347 models, 1142 with images and 268 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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