Inter-M PMU-240 - Manual (Page 11)

※Warning : For high impedance systems, connect with matching transformer as the following Figure. Be
certain that the total impedance does not equal less than the rated impedance.
Please do not use a 4Ω and SP1~SP5 terminal at the same time.
Low Impedance (100V) (70V)
PMU-60 4Ω 167Ω 83Ω
PMU-120 4Ω 83Ω 42Ω
PMU-240 4Ω 42Ω 21Ω
MIXING AMPLIFIER
9 PMU-60/120/240