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RA-1772

RA-1772; Racal Engineering (ID = 279055) Receiver-C RA-1772; Racal Engineering (ID = 279056) Receiver-C
RA-1772; Racal Engineering (ID = 279057) Receiver-C RA-1772; Racal Engineering (ID = 1358711) Receiver-C
RA-1772; Racal Engineering (ID = 1358712) Receiver-C RA-1772; Racal Engineering (ID = 1358713) Receiver-C
RA-1772; Racal Engineering (ID = 1358714) Receiver-C  
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RA-1772; Racal Engineering (ID = 279055) Receiver-C
Racal Engineering: RA-1772 [Receiver-C] ID = 279055 933x601
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For model RA-1772, Racal Engineering (Racal Instruments) Ltd., Bracknell
 
Country:  Great Britain (UK)
Manufacturer / Brand:  Racal Engineering (Racal Instruments) Ltd., Bracknell
Year: 1978–1981 Type: Communication/Commercial Receiver (also Amateur)
Semiconductors (the count is only for transistors) Semiconductors present.
Principle Superhet, double/triple conversion
Wave bands Broadcast, Long Wave and more than two Short Wave bands.
Details
Power type and voltage Alternating Current supply (AC) / 110-125 / 200-250 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out 1 W (unknown quality)
from Radiomuseum.org Model: RA-1772 - Racal Engineering Racal
Material Metal case
Shape Rack
Dimensions (WHD) 483 x 178 x 410 mm / 19 x 7 x 16.1 inch
Notes Commercial receiver, coverage 15 - 30000 kHz, AM, USB/LSB, CW;
digital LED readout, minimal tuning steps 10 Hz, standard bandwidths 8 / 3 / 0.3 kHz, several configurations;
optional 9400 standard or 9420 high stability frequency standard with crystal oven, optional ISB, FSK and AFC circuits.
Net weight (2.2 lb = 1 kg) 21 kg / 46 lb 4.1 oz (46.256 lb)
Source of data Shortwave Receivers - Past & Present; Fred Osterman, N8EKU

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 98 models, 41 with images and 8 with schematics.

 


Forum contributions about this model
Racal Engineering: RA-1772
Threads: 1 | Posts: 1
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racal: RA-1772 (RA1772); variants
Martin Bösch
17.Dec.06
  1 the complete designation of RA 1771 and 1772 receivers alows to identify the mounted optional components:
format as follows:
1st suffix / 2nd suffix / 0 / fourth suffix / fifth suffix / sixth suffix

1st suffix: filters fitted (6 available slots)
A: symmetrical 0,3 / 3 / 8 kHz, sideband filters USB 3 / LSB 3 kHz
B: symmetrical 0,3 / 1 / 8 kHz, sideband filters USB 3 / LSB 3 kHz
C: symmetrical 0,3 / 1 / 3 / 8 kHz, sideband filters USB 3 kHz
D: symmetrical 0,3 / 1 / 3 / 8 kHz, sideband filters USB 2,7 kHz
E: symmetrical 0,3 / 3 / 8 kHz, sideband filters USB 6 / LSB 6 kHz
F: symmetrical 0,3 / 1 / 8 kHz, sideband filters USB 6 / LSB 6 kHz
G: symmetrical 1 / 3 / 13 kHz, sideband filters USB 6 / LSB 6 kHz
H: symmetrical 1 / 3 / 8 kHz, sideband filters USB 3 / LSB 3 kHz

2nd suffix: frequency standard fitted
0: no internal frequency standard, external frequency standard required
S2: type 9400 frequency standard
S3: type 9420 high stability frequency standard

3rd suffix: always 0

4th suffix: ISB filter identification
0: not required / not available
B3: 3 kHz Filter (2,7 kHz minimum bandwidth)
B6: 6 kHz Filter (5,7 kHz minimum bandwidth)

5th suffix: frequency shift keying
0: FSK facility not fitted
F: FSK facility fitted

6 th suffix: automatic frequency control
0: AFC facility not fitted
C: AFC facility fitted

Similar receivers:
RA-1773 (RA1773): RA-1771 fitted with MA-1070A connector panel providing a fan and front connectors of rear sockets, all in Creeth Field Transit Case.
Similar receivers:
RA-1774 (RA1774): RA-1772 fitted with MA-1070A connector panel providing a fan and front connectors of rear sockets, all in Creeth Field Transit Case.
 
Racal Engineering: RA-1772
End of forum contributions about this model

  
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