The power supply hum is present with the Silvers at 15 cm distance. So I have all the noises but no hardware faults (yet)

Living room: Sigberg Audio Manta/10D subs, MiniDSP SHD.
Den: Tannoy Precision 8 iDP/TS112 iDP sub, MiniDSP SHD Studio.
In the cupboard: Some bits and pieces of a Phantom Silver 1. gen.
My Phantom Voyage
Den: Tannoy Precision 8 iDP/TS112 iDP sub, MiniDSP SHD Studio.
In the cupboard: Some bits and pieces of a Phantom Silver 1. gen.
My Phantom Voyage