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| Home Audio Speakers hum in subDiscuss hum in sub in the Manufactured Speakers and Subwoofers forum; hum in sub I'm running 2 powered subs via y cable from my Denon 1506 reciever and I noticed left sub has hum ...  |
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Views: 444 - Replies: 4
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 04-27-08, 01:21 AM
| #1 | ||||
| hum in sub I'm running 2 powered subs via y cable from my Denon 1506 reciever and I noticed left sub has hum in it even when reciever off ,hum goes away if i turn sub in question off or unplug it from power scource what would cause this? also hum goes down if I dial down that subs volume I am puzzled to why any suggestions? | ||||
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| 04-27-08, 02:32 AM
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| Re: hum in sub Is this something that just started happening? Or did something change? It sounds like a typical ground loop problem on first blush. JCD | ||||
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| 04-27-08, 06:23 AM
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| Re: hum in sub Here is an article on dealing with audio/video ground loops, complete with diagrams. http://www.cinemasource.com/articles/gnd_loop.pdf | ||||
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| 04-27-08, 05:50 PM
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| Re: hum in sub I agree ... it can be a ground loop  If you don't want to waist time connecting and disconnecting to determine what is causing the hum ... get one of this http://www.radioshack.com/product/in...entPage=search ... connect it between your receiver and subs ... if is a ground loop it will desapear ...  ...One of my subs started humming after I added my Buttkickers amp ... I connected one of this, and problem solved | ||||
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