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Old 18th March 2019, 09:41 PM   #11
Hextejas is offline Hextejas
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insulated speaker cables
Quote:
Originally Posted by Speedskater View Post
Are the loudspeaker, powered speakers?
Do you have a powered sub-woofer?
Loudspeakers not powered.
Sub woofer is powered.
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Old 19th March 2019, 09:56 PM   #12
Hextejas is offline Hextejas
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insulated speaker cables
Well, I found a big part of it I think. I noticed that one of the RCA input connections was kinda loose so I started to tighten it when I also saw that the ground side of it was not making contact with the chassis.
After I fixed that it improved the 60Hz hum considerably.
I am so thankful to this site that I am going to give a donation in recognition of all the help that I got here.
Thanks again.
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Old 20th March 2019, 02:37 PM   #13
scottjoplin is offline scottjoplin  Wales
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That's good news, grounding seems to have been the issue, very unlikely to be anything to do with the speaker cables
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Old 2nd April 2019, 12:20 AM   #14
jlinkels is offline jlinkels  Netherlands Antilles
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If these are passive speaker, the chances of picking up hum are zero. Especially if you cross power lines. Impedance is way to low to pick up anything at 50/60 Hz.
You did not answer whether this is an active speaker.
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Old 2nd April 2019, 03:48 AM   #15
Hextejas is offline Hextejas
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insulated speaker cables
Default I got it fixed

And as you all suggested it had nothing to do with the cables. I had done a poor job of routing the cables within the chassis. After I got that sorted out, the hum as well as other extraneous noises have disappeared.
Thanks
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