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Frequency Converter RA-70

Country:  Great Britain (UK)
Manufacturer / Brand:  Racal Engineering (Racal Instruments) Ltd., Bracknell
Year: 1965 ?? Category: Miscellaneous (Other, Various) - see notes
Valves / Tubes 4: 6AS6 6AU6 6AU6 6X4
Main principle RF Converter/Adapter (not voltage converter); ZF/IF 100/14 kHz
Wave bands - without
Power type and voltage Alternating Current supply (AC) / 100-125; 200-250 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Model: Frequency Converter RA-70 - Racal Engineering Racal
Material Metal case
Shape Rack
Notes Frequency Converter: converts 100 kHz IF of RA-17 / RA-117 receivers to 14 kHz used by Plessey PV-78 RTTY converter / keyer.
Variant: earlier RA-70A provides a fine tuning possibility with a dial,
later RA-70 came only with red power on / pilot light.
The RA-70 is used in RA-103 and RA-129 systems.
Mentioned in Racal Handbook, Rinus Jansen

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

All listed radios etc. from Racal Engineering (Racal Instruments) Ltd., Bracknell
Here you find 105 models, 50 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.