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LeeYoo · 23rd April 2012

Are you sure it's not a groundloop hum.
50herz is half wave rectified hum if your hum comes from the supply.
I would check all the supply caps.
And the regulated rails.
A scope would be better to measure this.
Leo..

23rd April 2012	#4
LeeYoo Lives for gear Joined: Feb 2010 Location: New Zealand Posts: 1,000	Are you sure it's not a groundloop hum. 50herz is half wave rectified hum if your hum comes from the supply. I would check all the supply caps. And the regulated rails. A scope would be better to measure this. Leo..