8 Transistor TR-84
Sony Corporation;: 8 Transistor TR-84 [Radio] ID = 2210306 1300x975
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1959/1960 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Semiconductors (the count is only for transistors) | 8: 2T734 2T732 2T750 2T750 2T852 2T650 2T69 2T69 |
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| Main principle | Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s) |
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| Tuned circuits | 6 AM circuit(s) |
| Wave bands | Broadcast only (MW). |
| Details | |
| Power type and voltage | Dry Batteries / 3 x 1.5 Volt |
| Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm |
| Power out | 0.2 W (unknown quality) |
| from Radiomuseum.org | Model: 8 Transistor TR-84 - Sony Corporation; Tokyo |
| Material | Plastics (no bakelite or catalin) |
| Shape | Very small Portable or Pocket-Set (Handheld) < 8 inch. |
| Dimensions (WHD) | 187 x 103 x 43 mm / 7.4 x 4.1 x 1.7 inch |
| Notes | The complete circuit diagram available here belongs to the first series. Later in the final stage the two NPN were replaced by two PNP transistors (see partial circuit diagram). |
| Net weight (2.2 lb = 1 kg) | 0.670 kg / 1 lb 7.6 oz (1.476 lb) |
| Circuit diagram reference | Beitman Radio Diagrams Vol. 22, 1962 |
| Mentioned in | FS 1959 Heft 22 S.536 |
| Literature/Schematics (1) | Funkschau (Antique Radio Magazine n.37, May 2000, page 16 and n.65, February-March 2005, page 62. In Italian.) |
| Literature/Schematics (2) | Collector's Guide To TrR1 Bunis trans.94 (Model information on page 256) |
| Literature/Schematics (3) | Transistor Radios (Model information and picture on page 104) |
Model page created by Egon Penker. See "Data change" for further contributors.
All listed radios etc. from Sony Corporation; Tokyo
Here you find 3567 models, 3420 with images and 755 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
Collection of a member from H
