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Last modified 2025-11-07

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R-311 "Omega" (USSR)

A picture of R-311 ''Omega'' (USSR)

SPECIFICATIONS

GENERAL
Type:Military HF receiver
Frequency range: 1-15 MHz in five bands:
I:   1.0-1.88 MHz
II:   1.88-3.3 MHz
III:   3.3-5.58 MHz
IV:   5.58-9.2 MHz
V:   9.2-15 MHz
Tuning steps:Analog / continous
Frequency stability:
Mode:AM / CW
Channels / memory management:
Power supply: Mains: 127-220 VAC with BC-3
or ? VDC (2KN-24 battery pack and vibrator supply)
Current drain / power consumption:Max 1 A (Lamp on), <500 mA (Lamp off)
Antenna impedance / connector:? ohm / ?
Dimensions (W*H*D):445*285*220 mm (17.52*11.22*8.66")
Weight:21 Kg (46.3 lb)
Other features:This receiver does NOT feature AGC.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne
IF: 465 KHz
Sensitivity: AM: Better than 7.5 uV (For 1.5 V into headphones)
CW: Better than 3 uV (For 1.5 V into headphones)
Squelch sensitivity:
Selectivity:300 Hz to 4 KHz (Adjustable)
Image rejection:
AF output power / speaker:? W at ?% distortion / Low-Z headphones and 1.5 Kohm line output
External speaker connector:




MISCELLANEOUS
Manufactured:USSR, 1954-197x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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