The output voltages and impedance for the 851N are as follows:
Unbalanced RCA:
Voltage: 2.1V
Impedance: 47 Ohms
Balanced XLR:
Voltage: 4.2V
Impedance <50 Ohms
The output voltages and impedance for the 851N are as follows:
Unbalanced RCA:
Voltage: 2.1V
Impedance: 47 Ohms
Balanced XLR:
Voltage: 4.2V
Impedance <50 Ohms