2. speakers
  3. 192004-173740

Faint buzz in speakers

There is a very faint buzz coming from speakers with amp on, but with no music stream playing. Can only be heard with ear right up to drivers. No buzz with amp off or muted. Decent amp & cabling. Is this faint buzz likely still there under music when it’s playing? Numerous noise reduction devices deployed including dedicated circuit, robust grounding, balanced power transformer, various filters. Thoughts?

jmfinney

Showing 2 responses by erik_squires

erik_squires
16,666 posts
 

PS- Modern dimmers, including smart dimmers are not noisy the way the old one's were, mechanically or electrically.  You certainly can have remote controlled mood lighting in your listening room. 

erik_squires
16,666 posts
 

Two things to try.  Turn off every other breaker in your home. if that makes the problem go away you may have some device introducing DC. This happens when a device/appliance sucks more on one side of the waveform than another.  Often in very cheap DC supplies.

If it's still buzzing, disconnect all inputs. 

More to discover