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National PL-420A

National PL-420A; Panasonic, (ID = 1051090) Radio
National PL-420A; Panasonic, (ID = 1051116) Radio
National PL-420A; Panasonic, (ID = 1051084) Radio National PL-420A; Panasonic, (ID = 1051089) Radio
National PL-420A; Panasonic, (ID = 1051086) Radio National PL-420A; Panasonic, (ID = 78353) Radio
National PL-420A; Panasonic, (ID = 1051085) Radio National PL-420A; Panasonic, (ID = 1051087) Radio
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National PL-420A; Panasonic, (ID = 1051084) Radio
Panasonic,: National PL-420A [Radio] ID = 1051084 673x506
Select picture or schematic to display from thumbnails on the right and click for download.
For model National PL-420A, Panasonic, Matsushita, National ナショナル (also tubes); Osaka
Country:  Japan
Manufacturer / Brand:  Panasonic, Matsushita, National ナショナル (also tubes); Osaka
Year: 1954 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 1R5 1T4 1S5 3S4
Main principle Superheterodyne (common); ZF/IF 455 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Dry Batteries / 1.5 & 67.5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 cm = 2.4 inch
Power out
from Model: National PL-420A - Panasonic, Matsushita,
Material Plastics (no bakelite or catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 200 x 130 x 55 mm / 7.9 x 5.1 x 2.2 inch

Test-Export of 1000 radios for the US-Market. The decision made at that time was the first step in opening up and expanding the U.S. market. Earphone available.

Note that the National brand could not be used in the USA and subsequently Panasonic was created as a brand.

Model PL-420A uses a National BL-145B (Eveready 457, RCA VS-082, Burgess K-45)  battery. Model PL-420B uses the larger battery National BL-145 (Eveready 467, RCA VS-016, Burgess XX-45) - probably the cabinets differ in the internal layout or exterior dimensions.

External source of data
Mentioned in -- Schematic

Model page created by Ernst Erb. 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 2625 models, 2385 with images and 507 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.