What do you think about how much benefit lateral insulation has, while the devices are open to the front or emit their "noise" into the room from behind furniture fronts?
I couldn't swear that a fridge (cabinet) slapped onto drywall doesn't transmit a certain droning to the walls? But somehow it might be decoupled anyway so that the cabinets/enclosure can still work?
But finally someone actually enclosing it! I regularly get shivers at 20cm of space above the upper and tall cabinets.
it's about post #447 and #448