Tag Archives: earth

Quad 404 – 2 Service and Upgrade Results

My good friend has now listened to his serviced and upgraded Quad 404 Mk 2 and emailed me his assessment: “Btw…finally to answer your question…yes, Quad well worth the 200 smackers to renovate! Listening now…(Erykah Badu)… muddiness gone, “earth loop” … Continue reading

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HiFi Amplifier Earthing / Ground

Don’t let anyone ever tell you it’s easy. In laying out the Kicad component footprints I have started to look at this area again – the phono socket earth ring, how does that connect to the PCB? There are so … Continue reading

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Earthing, Ground, Reference, 0V, Return

One area that must be got right is the system earthing. ┬áSpecifically how each object is earthed with relation to each other object – by ‘object’ I mean PSU, Regulator Board, Relay Board, Left PreAmp etc. Apart from having separate … Continue reading

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