 | | ΤΥΠΟΣ | Military Equipment |
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| ΕΤΟΣ ΚΑΤΑΣΚΕΥΗΣ | 1951–1960 |
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| ΚΑΤΑΣΚΕΥΑΣΤΗΣ | -
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| | | | ΠΕΡΙΓΡΑΦΗ |
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Valves / Tubes 19: 1U4 1L4 1R5 3Q4 3A5 3B4 1AE4
Principle Superhet, double/triple conversion; IF-Freq 15000/1400 kHz
Wave bands Wave Bands given in the notes.
Power type and voltage Powered by external power supply or a main unit. / 6 / 90 Volt
Loudspeaker - For headphones or amp.
from Radiomuseum.org Model: Receiver-Transmitter RT-70/GRC
Material Metal case
Shape Boatanchor (heavy military or commercial set).
Dimensions (WHD) 200 x 135 x 330 mm / 7.9 x 5.3 x 13 inch
Notes Army transceiver in air tight aluminum diecast housing, painted dark green.
Frequency range 47 - 58,4 MHz, two mechanically locked fixed frequency channels, FM, Pout 0,5 W.
Uses 6V heaters and 90V plate power, can be powered from vehicle battery using PP-281/GRC (for 12 V) or PP-282/GRC (for 24 V) multivibrator module in the AM-65/GRC power supply / audio amplifier cabinet.
Internal switch selects tank / vehicle / field field use to adjust output for different antennas. Extremely robust design, modular internal design.
Enclosed schematic printed on pure white silk, so if you open it on rain nothing will happen.
This unit of american origin has been built by contractors in several NATO countries. The RT-70/GRC was used as a component of several radio-systems:field set PRC-16 with battery-box CY-590/GRC, vehicular set VRC-7 with AM-65/GRC, or as a part of larger radio systems GRC-3 to GRC-8. The RT-70A/GRC variant has a different filament-circuit.
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