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Old 06-11-2014, 04:39 PM   #1
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Subwoofer feed back

Pulled my subwoofer out from behind the fireplace last night. Setting were all about 1/2 way. When I turned them up some all I got was bass hum. Tried different settings & swaped wires around on the back with no luck. I'm thinking that it may be wired wrong or just is N/G. Any ideas.
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Old 06-11-2014, 05:04 PM   #2
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Sometimes on audio components like that, you may need shielded wire to get rid of the hum. I have also had some luck with grounding the chassis of all your components, and that may help. Another thing to try (and this is a problem on these rigs) is make sure all you cable runs are straight, with no coiled wires. The guys that build these always like to give you a few extra feet coiled up somewhere.
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Old 06-11-2014, 11:09 PM   #3
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Quote:
Originally Posted by DesertRat View Post
Pulled my subwoofer out from behind the fireplace last night. Setting were all about 1/2 way. When I turned them up some all I got was bass hum. Tried different settings & swaped wires around on the back with no luck. I'm thinking that it may be wired wrong or just is N/G. Any ideas.

See my other post Rat, I think it will make sense. However, anytime a speaker wire is in contact with a power wire of any type, it will pick up some feedback. Just make sure the audio red/white aren't laying near or cable tied to the power wires.
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Old 06-12-2014, 03:00 PM   #4
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See my other post Rat, I think it will make sense. However, anytime a speaker wire is in contact with a power wire of any type, it will pick up some feedback. Just make sure the audio red/white aren't laying near or cable tied to the power wires.
Wires behind the Sony unit are fun to deal with. Audio to the sub-woofer isn't anywhere close to the power wire for the sub-woofer but are next to the Sony power wires. Problem is with the Sony unit. I'll just have to deal with no sub-woofer, not a big deal for me. If I hadn't of read post here I wouldn't have even known there was one.
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