Topic: "Splok"Ignition

Hello,
When I used my FF400, I had a passive attenuator between it and my amplified monitors.
As a result, I had a slight "spitting" on switching on the computer.
Today, I no longer use this attenuator and as I can separate the computer power to that of the monitors, I have a huge "splok" Ignition.
Is there a way to fix or is it absolutely necessary that I submit a "resistance" between the audio outputs and monitors?