DB Mark XCA28 Hum/Noise on 1 Out

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   Hello All,
Been a while! Any way I have a DB Mark XCA28 which has Hum/Noise on 1 Out.
Does anyone know what may cause this?
Is it an easy fix?
It is an older model which I bought 2nd hand a few years ago.
 Thanks

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SnailSpace Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 08 December 2022 Status: Offline Points: 226	Post Options Post Reply Quote SnailSpace Report Post Thanks(0) Quote Reply Topic: DB Mark XCA28 Hum/Noise on 1 Out Posted: 25 March 2025 at 1:45pm
	Hello All, Been a while! Any way I have a DB Mark XCA28 which has Hum/Noise on 1 Out. Does anyone know what may cause this? Is it an easy fix? It is an older model which I bought 2nd hand a few years ago. Thanks

SnailSpace Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 08 December 2022 Status: Offline Points: 226	Post Options Post Reply Quote SnailSpace Report Post Thanks(0) Quote Reply Posted: 27 March 2025 at 8:16am
	Sorted! After running tests and isolating the problem to OUT8 I got in touch with the UK DBMark Dealer ‘Blue Aran’ and they gave me advice to try the Earth Lift button on the back - which worked! I had troubleshooted & isolated to different amps/cables etc and it was only Out 8 but the Earth Lift Switch did the trick, didn’t even notice it had one, it was tiny and it had to be done by paper clip and never thought it was an earth issue because all the others where fine? Very grateful to Blue Aran for their time and advice was much appreciated!