sadl01 Posted September 16, 2020 Share Posted September 16, 2020 Hi Allo Support, I have a Katana with Isolator and PI 3b+, with Volumio 2.8. I was initially using two standard switching power supplies but have recently bought a Shanti to replace them. A few days ago, an annoying noise has appeared. Every few seconds (it’s very regular, every 7 or 8 seconds or so), I hear a “grriiitch” sound. • I can hear it from my listening position during quiet music passages, or in between tracks or when playback is paused. • This noise is present on both channels, at a constant level, unaffected by the volume setting. • I switched back to my original power supplies: it made no difference; noise is still there. • I have a second Output Stage board, so I swapped them: it made no difference, noise is still there. Any idea what could cause this? Can this be fixed somehow? Thanks! P. Link to comment
Audio_Allo Posted September 16, 2020 Share Posted September 16, 2020 1 hour ago, sadl01 said: Hi Allo Support, I have a Katana with Isolator and PI 3b+, with Volumio 2.8. I was initially using two standard switching power supplies but have recently bought a Shanti to replace them. A few days ago, an annoying noise has appeared. Every few seconds (it’s very regular, every 7 or 8 seconds or so), I hear a “grriiitch” sound. • I can hear it from my listening position during quiet music passages, or in between tracks or when playback is paused. • This noise is present on both channels, at a constant level, unaffected by the volume setting. • I switched back to my original power supplies: it made no difference; noise is still there. • I have a second Output Stage board, so I swapped them: it made no difference, noise is still there. Any idea what could cause this? Can this be fixed somehow? Thanks! P. Forwarded PM please check Link to comment
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