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Home electrical problem/question
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Home electrical problem/question - February 19, 2010, 09:21 PM

I bought a radio kit at walmart that came with a head unit, remote and 4 speakers. I recessed the speakers in the ceiling of my garage and mounted the head unit on the shelf. I also ran a wire into the attic to an antenna I mounted on the roof and plugged it into the radio for best reception.
The set up works great as long as i don't have the florescent lights on in my garage which isn't an option. So is there a way to fix this? Or should i just install recessed lights in my garage? I think i would need a lot of them to produce enough light. My garage is 24'x24' inside to inside. I was thinking of having 3 rows of 3 lights or 4 rows of 4 lights. That is a lot of lights and wiring. What say you?

Watch the video on this page to hear the problem. Turn the sound on.
http://www.dynamitedave.com/garageradio.html

thanks for your 2 cents.
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February 19, 2010, 10:41 PM

You can:

1) Try to get your ant cable further away from the lights. You might do better to have it sitting right by the radio.
2) Get a radio with better noise rejection. It can't over this 60Hz sine wave it's hearing.
3) Get new lights.
4) Get better ballasts (low THD).
5) Try grounding the ballast to the reflector, if it's not already.


"Start where you are. Use what you have. Do what you can." - Arthur Ashe
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February 20, 2010, 09:27 AM

David- This a common issue with florescent lighting. They bleed off a lot of noise. The question is that is this noise being picked up my the antenna, the speaker wire, or the speakers them selves. All of these have not protection built into them to prevent this bleeding over. My thought is that the antenna is more than likely the least of the problem. I would start with looking at your wiring for the speakers. Is it in any way close the housing for the lights? Can you rerun the wiring to a position that is as far away from the lighting and its wiring? If that doesn't work, I would look at moving the speakers. Move them to the farthest way possible from the lighting and see if that improves the bleeding over. Like I said, the biggest problem you are going to run into is that there is no shielding or protection built into your system to prevent this bleeding over. Good luck! Let us know how it turns out.


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February 20, 2010, 10:52 AM

I think it could be the speaker wires also. First thing I would do though is put the antenna right by the radio on a short run of line.


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February 20, 2010, 10:55 AM

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February 21, 2010, 08:13 PM

nice response tatty, i was actually waiting for your post, ha ha

I checked the ballast in one light today, It was grounded. I think the speakers are to close to the lights. i might try to move them. But i have been wanting recessed lights in the garage so i'm still debating.
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