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Twin Channel Receiver RA-153

Country:  Great Britain (UK)
Manufacturer / Brand:  Racal Engineering (Racal Instruments) Ltd., Bracknell
Year: 1967–1969 ? Category: Commercial Receiver (may include amateur bands)
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle Superhet, double/triple conversion
Wave bands Broadcast plus more than 2 Short Wave bands.
Power type and voltage Alternating Current supply (AC) / 100-125 / 200-250 Volt
Loudspeaker - For headphones or amp.
Power out
from Model: Twin Channel Receiver RA-153 - Racal Engineering Racal
Material Metal case
Shape Rack
Dimensions (WHD) 480 x 530 x 570 mm / 18.9 x 20.9 x 22.4 inch
Notes Coverage 980 - 30000 kHz, AM/SSB with BFO, linear analog readout (ca. 1 kHz). Bandwidths are 0,1 / 0,3 / 0,75 / 1,2 / 3 / 8 kHz -6 dB.
Professional twin channel receiver used for direction finding and radio propagation studies.
The set consists of two RA-117 receivers with common VFO's, but separate signal paths.
Variants: RA-153A with a single AF stage switchable two both receivers and RA-153B with twin AF stages, one for each channel.
Options: MA-126 Phase and Amplitude Compensation Unit, MA-190 Indicator and Balancing Unit and a Direction Finding Unit.
Net weight (2.2 lb = 1 kg) 59 kg / 129 lb 15.3 oz (129.956 lb)
Source of data Shortwave Receivers - Past & Present (3rd ed.)
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.