8 Transistor 2 R-21

Sony Corporation; Tokyo

Data

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Pictures

Collections

Country
Japan

Manufacturer / Brand
Sony Corporation; Tokyo

Year
1968

Category
Broadcast Receiver - or past WW2 Tuner

Radiomuseum.org ID
107871

Picture
Schematics

8 Transistor 2 R-21; Sony Corporation; (ID = 1683910) Radio — Sony Corporation; 8 Transistor 2 R-21 (3)

8 Transistor 2 R-21; Sony Corporation; (ID = 2249316) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 2628571) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 2628574) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 269462) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Ebay Nr. 2800433691963 Bild bearbeitet.

8 Transistor 2 R-21; Sony Corporation; (ID = 794769) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 262997) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)

8 Transistor 2 R-21; Sony Corporation; (ID = 269463) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Ebay Nr. 2800433691963 Bild bearbeitet.

8 Transistor 2 R-21; Sony Corporation; (ID = 511341) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 511340) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 689738) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 689739) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 794770) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 1215973) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Ebay Seller chlbryan Item 330714117272

8 Transistor 2 R-21; Sony Corporation; (ID = 1215974) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Ebay Seller chlbryan Item 330714117272

8 Transistor 2 R-21; Sony Corporation; (ID = 1254325) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 1254326) Radio — Sony Corporation; 8 Transistor 2 R-21 (1)

8 Transistor 2 R-21; Sony Corporation; (ID = 1547620) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Picture Courtesy Of EBAY User: akachuck

8 Transistor 2 R-21; Sony Corporation; (ID = 1547621) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Picture Courtesy Of EBAY User: akachuck

8 Transistor 2 R-21; Sony Corporation; (ID = 1547623) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Picture Courtesy Of EBAY User: akachuck

8 Transistor 2 R-21; Sony Corporation; (ID = 1547625) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Picture Courtesy Of EBAY User: akachuck

8 Transistor 2 R-21; Sony Corporation; (ID = 1547626) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Picture Courtesy Of EBAY User: akachuck

8 Transistor 2 R-21; Sony Corporation; (ID = 1547627) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Picture Courtesy Of EBAY User: akachuck

8 Transistor 2 R-21; Sony Corporation; (ID = 2212836) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)

8 Transistor 2 R-21; Sony Corporation; (ID = 2212837) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)

8 Transistor 2 R-21; Sony Corporation; (ID = 2212838) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)

8 Transistor 2 R-21; Sony Corporation; (ID = 2212839) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)

8 Transistor 2 R-21; Sony Corporation; (ID = 2212840) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)

8 Transistor 2 R-21; Sony Corporation; (ID = 2212841) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)

8 Transistor 2 R-21; Sony Corporation; (ID = 2402003) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Q: Sony, Katalog 1969

8 Transistor 2 R-21; Sony Corporation; (ID = 2402004) Radio — Sony Corporation; 8 Transistor 2 R-21 (2)
Q: Sony, Katalog 1969

Click on the schematic thumbnail to request the schematic as a free document.

Technical Specifications

Number of Transistors
8

Semiconductors
2SC73 2SC75 2SC76 2SC76 2SD66 2SD66 2SD65 2SD65

Main principle
Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

Tuned circuits
5 AM circuit(s)

Wave bands
Broadcast only (MW).

Power type and voltage
Dry Batteries / 1 x 9 Volt

Loudspeaker
Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

Material
Plastics (no bakelite or catalin)

from Radiomuseum.org
Model: 8 Transistor 2 R-21 - Sony Corporation; Tokyo

Shape
Very small Portable or Pocket-Set (Handheld) < 8 inch.

Dimensions (WHD)
70 x 75 x 33 mm / 2.8 x 3 x 1.3 inch

Notes
Sony AM Pocket Radio Model 8 Transistor 2R-21.
Tuning Range AM 530 -1605 kHz.
Wrist Strap, Leather Case, Earphone.
Made in Japan.

Net weight (2.2 lb = 1 kg)
0.2 kg / 0 lb 7 oz (0.441 lb)

Source of data
Handbuch VDRG 1968/1969

Mentioned in
-- Collector info (Sammler)

Literature/Schematics (1)
Collector's Guide To TrR1 Bunis trans.94 (Model info on page 253)

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

Other Models
Here you find 3952 models, 3812 with images and 954 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sony Corporation; Tokyo

Collections | Museums | Literature

Collections

The model 8 Transistor is part of the collections of the following members.

Forum

Forum contributions about this model: Sony Corporation;: 8 Transistor 2 R-21

Threads: 1 | Posts: 1

Covered in Sams TSM-68 (Transistor Service Manual)

Thomas Bavis, 23.Mar.12

Weitere Posts (1) zu diesem Thema.