Interphone. Board set. AF amplifier including PSU. It can drive 6 places.
Interphone. Board set. AF amplifier separate PSU. It can drive 6 places. Also used on S 150 radio station like aS 150
Interphone. Board set. AF amplifier including PSU. Supply voltage 12 V. Can drive 4 places equipped with Siemens headphone/throatphone set. IRI manufacturer.
Power supply. Dynamotor type. Part of the radio station B 30
Vin : 24 Vdc (Board battery)
Vout : 530, 230, 24, -45, -60 Vdc necessary to supply the complete set B 30.
Weight = 16.8 Kg
Interphone. See A 41