Kichoi

I am not surprise to know yours is silent. I don't own an AVR-3900H but did own several Denon from the 1000 to 4000 series (including...

Dear Kichoi, Of course. Completely silent on my Kef Reference 5 Meta. After I've read your post, I checked this. But if the noise was...

If it's a ground loop with poweramps, then it's there all the time regardless of inputs. The reason I'm mentioning it is that I have...

Interesting to know you are not getting any noise using external amps with X3900H. Have you tried to put your ear close to the speaker...

Thanks for your comment. Unfortunately the noise is present even with no analog/digital inputs nor HDMI inputs and using just two front...

I have a 3900H with a Rotel 1582 MKII power amp connected. There is no hiss from my speakers. In my experience with the heat, that can...

Sounds like a ground loop to me. If you trigger the external amp, try removing the trigger cable to test. Also make sure you use a...

Denon AVR-X3900H does have noise through preamp outputs in preamp mode. All channels had hissing and also faint 60hz noise audible from...