Question on AC line interference

[Bors]

Guys, I am planning to mount a pair of Polk Audio T15s as L/R surrounds for a 5.1 on the back wall of my small theater room which is 11 ft. wide and length of room is 17 ft, height 9 ft., problem is, just behind the area of the drywall where the left surround would be on is a bathroom and the multi-bulb light fixture is just behind that very spot. Will that be a problem for the left surround speaker picking up interference from the AC line (which runs horizontally)? The 12 gauge in-wall wire for the speaker would be coming down from the top and exits the wall just a half-foot before it crosses the AC line at a 90 degree angle. I know the 90-degree path rule but these wires doesn't even intersect -- just off by approximately 6 inches. Should I just stay away from light fixtures, if so, by how much? Since the back wall is only 11 ft. wide and this is a L surround, my only option is to go up because they say the higher the surround, the less the sound is localized.

I'd really appreciate your inputs.

 

[Rickster71]

Since your choices are limited, I'd try it and see.
I think you'll be ok. It does help that it's crossing at 90 degrees.
Could depend upon what else is on that circuit, or if the fixture is a using a dimmer or florescent bulbs.

 

[Bors]

It does help that it's crossing at 90 degrees.
Could depend upon what else is on that circuit, or if the fixture is a using a dimmer or florescent bulbs.

Thanks for the very quick response.

No. The wire coming down just stops short of about 6 inches to where it would perpendicularly intersect the AC line feeding the fixture. No dimmers. It's a bathroom bar light with 4 ordinary bulbs but there is this flat cylinder thingy inside the wall (part of the light fixture) where the AC line goes into. Could it be a ballast or transformer?

 

[Rickster71]

Thanks for the very quick response.

No. The wire coming down just stops short of about 6 inches to where it would perpendicularly intersect the AC line feeding the fixture. No dimmers. It's a bathroom bar light with 4 ordinary bulbs but there is this flat cylinder thingy inside the wall (part of the light fixture) where the AC line goes into. Could it be a ballast or transformer?

That sounds like a round junction box. It wouldn't be a ballast or transformer with incandescent bulbs.