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Astrad 4TR8-M304

Astrad 4TR8-M304; Industrial Union (ID = 212413) Radio
Astrad 4TR8-M304; Industrial Union (ID = 212414) Radio
Astrad 4TR8-M304; Industrial Union (ID = 212412) Radio Astrad 4TR8-M304; Industrial Union (ID = 567169) Radio
Astrad 4TR8-M304; Industrial Union (ID = 567170) Radio
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Astrad 4TR8-M304; Industrial Union (ID = 212412) Radio
Industrial Union: Astrad 4TR8-M304 [Radio] ID = 212412 752x534
Select picture or schematic to display from thumbnails on the right and click for download.
For model Astrad 4TR8-M304, Industrial Union Poliot, Cheliabinsk:
Thanks for Valery Charcenko, Russia
Country:  Soviet Union
Manufacturer / Brand:  Industrial Union Poliot, Cheliabinsk
alternative name
Cheliabinsk Radio Works IU "Poliot"
Year: 1970 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 8:
Main principle Superheterodyne (common); ZF/IF 465 kHz
Wave bands Broadcast, Long Wave and 2 x Short Wave.
Power type and voltage Dry Batteries / 4 × 1,5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm
Power out 0.1 W (unknown quality)
from Model: Astrad 4TR8-M304 - Industrial Union Poliot,
Material Plastics (no bakelite or catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 215 x 125 x 47 mm / 8.5 x 4.9 x 1.9 inch
Notes Russian transistor radio "Rossiya 301" export variant. MW, LW and 2× SW (13-19 m, 22-49 m).
Later called the Vega Sapphire.
Net weight (2.2 lb = 1 kg) 0.9 kg / 1 lb 15.7 oz (1.982 lb)
Literature/Schematics (1) -- Schematic

Model page created by Zenonas Langaitis. See "Data change" for further contributors.

All listed radios etc. from Industrial Union Poliot, Cheliabinsk
Here you find 20 models, 19 with images and 12 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.