It is intended for listening to a speech signal in special-purpose communication equipment.
It is suitable for operation at temperatures from minus 30 ° C to 50 ° C and at high relative humidity up to 98 % at 35 ° C.
- there are modifications with serial and parallel connection of phones
- there are possible versions according to the length of the output connecting cord and the type of connector
| Operating frequency range, Hz |
200 – 4000 |
| The module of the electrical impedance of the telephone at a frequency of 1000 Hz, Ohm |
15000 ± 1000 (при последовательном соединении), ....3750 ± 250 (при параллельном соединении) |
| The maximum voltage supplied to the receiving path, V |
20 |
| The response of the phone at a frequency of 1000 Hz, not less than, Pa |
10 |
| Weight, no more |
85 г |
