The first models were named AC-1, AC-2 after their designer - Anton Antonovich Saveliev -, and later renamed to R-250 "Kit".

 

Type : receiver

Frequency band: 1,5 - 25,5  MHz covered by 12 sub-ranges :

Range Frequency / MHz
1  1,5 - 3,5
 2 3,5 - 5,5 
 3 5,5 - 7,5 
 4 7,5 - 9,5
 5 9,5 - 11,5
 6 11,5 - 13,5
 7 13,5 - 15,5
 8 15,5 - 17,5 
 9 17,5 - 19,5
10 19,5 - 21,5
11 21,5 - 23,5
12 23,5 - 25,5

 

Modulation : AM, CW, SSB

Sensitivity : 1,5 - 4 microV

 

Power supply : own supply

      Voltages: 127V, 220V / 50 Hz

 

Construction : tubes, 19 pcs, types : 6Ж4 / 6А7 / 6К3 / 6П6С / 6Х6С / СГ-3С

 

Documents collection (4 MB) : R-250 documents

 

More photos : More R250 radio photos