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<blockquote data-quote="kme" data-source="post: 394123" data-attributes="member: 113"><p>Dragging the thread back to topic, kicking and screaming a bit...... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> </p><p></p><p>Audio kit is notorious for susceptibility to earth loops, and the resultant hum - so much so that we used to have valve gear with the earth from the AC disconnected - earth came from the pre-amp, on the shield of the signal cable. did it provide the necessary c.s.a? Not a chance. But did it sound good? Hell, yes. Ergo - that was how it was done. ONE item had an earth connection - and - if you were running stereo - dependent on the config - one of the signal cables had a dropped shield at one end.</p><p></p><p>I`d like to see independent supplies - or at least, independently EMC &amp; surge protected supplies; from different DBs - and I`d probably consider "guardian" type shielded cable ( FP would work) - for the AC supplies, rather than FTE.</p><p></p><p>Just my two pennorth</p></blockquote><p></p>
[QUOTE="kme, post: 394123, member: 113"] Dragging the thread back to topic, kicking and screaming a bit...... ;) Audio kit is notorious for susceptibility to earth loops, and the resultant hum - so much so that we used to have valve gear with the earth from the AC disconnected - earth came from the pre-amp, on the shield of the signal cable. did it provide the necessary c.s.a? Not a chance. But did it sound good? Hell, yes. Ergo - that was how it was done. ONE item had an earth connection - and - if you were running stereo - dependent on the config - one of the signal cables had a dropped shield at one end. I`d like to see independent supplies - or at least, independently EMC & surge protected supplies; from different DBs - and I`d probably consider "guardian" type shielded cable ( FP would work) - for the AC supplies, rather than FTE. Just my two pennorth [/QUOTE]
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