Type : receiver

Frequency band : 1,5 - 30  MHz covered in 6 sub-ranges :

Range Frequency / MHz
1 1,5 - 3,00
2 3,00 - 6,00
3 6,00 - 12,0
4 12,0 - 18,0
5 18,0 - 24,0
6 24,0 - 30,0

 

Modulations : A1A, A2A, A3E, J3E, A3C, F1A, F7A, F3G, B3E (B9W)

Sensitivity : < 1 microV (A1A)

                     < 5 microV (A3E)

 

Power supply : own power supply

      Usuable sources : 110V, 127V, 220V / 45-60 Hz

 

Construction : tubes:

    Receiver : EF85, E81H, ECC82, ECH81, EBF89, E83F, ECL82

    Stabilizer : E83F, E81H, E88CC, ECC82, EM80

   Power supply : VR150/30, EW8-24 bareter tube

The composition of the tubes may vary, depends on which series, especially at the one unit types.

 

I have met 3 types of this radio :

- ML-1250  - 2 units : frequency stabilizer in the upper drawer, receiver in the lower drawer

- ML-1250/x - lightly electronically modified version, one unit, only the receiver

- ML-1251 - one unit

 

Documents collection (437 MB) : ML-125x documents collection