Type : receiver

Frequency band: 1,5 - 15 MHz covered by 5 sub-ranges :

Range Frequency / MHz
1 1,00 - 1,88
2 1,88 - 3,30
3 3,30 - 5,58
4 5,58 - 9,20
5 9,20 - 15,00

 

Modulation : AM, CW

Sensitivity : AM   <= 7,5 microV

                     CW  <= 3    microV

 

Power supply: - own power supply 127V, 220V / 50 Hz + ВС-3 rectifier

                           - 2KN-24 battery + БАС-Г-80 anode battery
 
                           - 2KN-24 battery + ВП-3М2 vibrating transformer

 

Construction : tubes, 8 pcs, type : 2Ж27Л

 

Documents collection (1,9 MB) : R-311 documents

 

More photos : More R311 radio photos