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R-1490 / GRR-17

R-1490 / GRR-17; National Company; (ID = 794454) Military R-1490 / GRR-17; National Company; (ID = 794455) Military
R-1490 / GRR-17; National Company; (ID = 794457) Military R-1490 / GRR-17; National Company; (ID = 794458) Military
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R-1490 / GRR-17; National Company; (ID = 794454) Military
National Company;: R-1490 / GRR-17 [Military] ID = 794454 629x291
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For model R-1490 / GRR-17, National Company; Cambridge & Malden (MA):
R-1490/GRR 17 - Frontseite
Country:  United States of America (USA)
Manufacturer / Brand:  National Company; Cambridge & Malden (MA)
alternative name
National Toy Co.
Year: 1968–1970 Category: Military Equipment (not Re, Tr or RXT)
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle Superhet, double/triple conversion
Wave bands Short Wave (SW only)
Power type and voltage Line / Batteries (any type) / 115 / 24 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out 1 W (unknown quality)
from Model: R-1490 / GRR-17 - National Company; Cambridge &
Material Metal case
Shape Rack
Dimensions (WHD) 431 x 203 x 308 mm / 17 x 8 x 12.1 inch
Notes coverage 2 - 30 MHz, AM, CW, USB/LSB, FSK;
tuning via decadic knobs and vernier tuning
Net weight (2.2 lb = 1 kg) 19.8 kg / 43 lb 9.8 oz (43.612 lb)
Source of data Shortwave Receivers - Past & Present (3rd ed.)

Model page created by Martin Bösch. See "Data change" for further contributors.

All listed radios etc. from National Company; Cambridge & Malden (MA)
Here you find 430 models, 275 with images and 163 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.