Using fibre optics to break ground level noise

I’m about to do this exact thing. Thanks for the tip. I’ll experiment with different lengths of fiber. 

I recommend at least a 3 mile run of fiber. It’s pretty thin and you can easily store it in a corner or a closet where your router is, coiled up (no issues there as it’s not an analog cable to be impacted by emi. You can also wrap it around the nearest tree and make a re-entry into your house where the stereo system is. Use the same hole you will make in a wall for the fiber optic cable to ground your system after you pound a rebar into the dirt and ground your system to it.

When you A/B this to the original set up let us know how it compares. 

Fibre optic moats do drop the noise floor, but some reported it takes the life out of the music likely in highly transparent systems

audphile1

... pound a rebar into the dirt and ground your system to it ...

Rebar isn't designed for grounding. It will corrode in the soil and not provide a reliable ground.

@kennyc 

each setup is different: N.B. I go into the server via Ethernet after double conversion and have no drying up and flattening of the sound as reported by others. I only use a 30 cm stretch of fibre, everything else is ethernet