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Year: 1968 ?? | Category: Broadcast Receiver - or past WW2 Tuner | ||||
Semiconductors (the count is only for transistors) | 2SC645 2SC185 2SC645 2SC469 2SC469 2SB173 2SB175 2SB176 2SB176 OA90 OA90 1S1211 1S1211 OA90 OA90 OA90 |
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Main principle | Superheterodyne (common); ZF/IF 455/10700 kHz; 3 AF stage(s) |
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Tuned circuits | 5 AM circuit(s) 8 FM circuit(s) |
Wave bands | Broadcast, Short Wave plus FM or UHF. |
Details | |
Power type and voltage | Batteries / addl. power jack / 4 x 1.5 / DC 6 Volt |
Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) |
Power out | |
from Radiomuseum.org | Model: National Panasonic RF-670J - Panasonic, Matsushita, |
Material | Plastics (no bakelite or catalin) |
Shape | Very small Portable or Pocket-Set (Handheld) < 8 inch. |
Dimensions (WHD) | 7 x 4.25 x 2 inch / 178 x 108 x 51 mm |
Notes | Wave bands: Sockets for earphone and external DC power supply. Buttons for dial illumination and low-high tone control. Supplied with a leather case. This model was also available with Japanese FM range 76...90 MHz under the name World Boy Go RF-670. |
Net weight (2.2 lb = 1 kg) | 0.6 kg / 1 lb 5.1 oz (1.322 lb) |
Model page created by Howard Craven. See "Data change" for further contributors.
All listed radios etc. from Panasonic, Matsushita, National ナショナル (also tubes); Osaka
Here you find 2603 models, 2357 with images and 506 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.