Help with adding a second sub - getting lots of feedback buzzing noise? - AVS | Home Theater Discussions And Reviews
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Old 09-29-2012, 01:10 PM - Thread Starter
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After reading some of the posts here, I purchased a Y splitter to add a second sub to my home theater setup as I really need some base at the back of the room. Anyway long story short is that when I connect both subs to the LFE using the splitter I am getting a load of buzzing sounds, even with the receiver turned off. It was even buzzing and clicking on one Sub until I turned the receiver on and then I just got a lot of loud buzzing. If I unplug one of the subs from the Y splitter all is well. I am using 2 Polk subs on an Onkyo receiver, the Y splitter was cheap from Bestbuy but after all I read here I didn’t think the cable needed to be anything more? PLEASE help….

Many thanks!

Epson 5020UB - Falcon Screens AT 131"
Onkyo TX NR818 - Emotiva XPA-5 - Panamax M5300
Polk 265LS/255cLS L/C/R - 80F/X-LS & LSiM703 surrounds - Dual SVS PB2000 subs
OPPO BDP-103 - HTPC with MediaBrowser3
http://www.avsforum.com/forum/19-ded...-re-model.html
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Old 09-29-2012, 02:38 PM
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Check out the hum FAQ in the Audio Theory Setup and Chat area. Sounds like a ground loop to me and how to troubleshoot is covered there.
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