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Buzzing from Klipsch Speakers

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Old 08-04-2014, 02:42 PM   #1  
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Default Buzzing from Klipsch Speakers

A couple of months ago I purchased Klipsch HD 600 speakers and a Yamaha RX-V575 receiver. A few days after first using it, I noticed a buzzing coming from the center speaker. I redid the connection on it and it went away it's been fine since then. Today I was demonstrating it for my brother and I had the volume turned up to -16 while watching a scene from Man of Steel and a few of the speakers started buzzing. They still buzzed even when I stop the movie. I'm using 16 gauge wire from Monoprice. I'm using maybe 10 feet of wire for each of the front speakers and about 30 to 40 feet for the side surrounds. In a little bit here I'm going to check the connections again. Is there anything else I should be checking or could anyone tell me what the problem is?
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Old 08-04-2014, 03:00 PM   #2  
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What power is your receiver and power limits of seakers
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Old 08-04-2014, 03:20 PM   #3  
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It could be a ground loop problem from another component, make sure all components are plugged into the same wall outlet/barrier strip, and all connections are tight.

And make sure that the polarity's are all correct to all speakers, you get the plus and minus swapped on the center channel and it could sound funny or buzz.

Did you do the YPAO sound optimization after you got the speakers hooked up?

The small gauge speaker wire could pick up a buzz from a Fluorescent lamp or light, try going to 14 gauge, I use 12 gauge on all my stuff.

Spec's on the receiver are 115 Watts max per channel into an 8 ohm load, speakers are 100 watts at 8 ohms.
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Old 08-04-2014, 06:00 PM   #4  
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I was going to suggest that sounds like a ground loop problem as well but funny for it to show now like that.
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Old 08-04-2014, 08:10 PM   #5  
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It could be a ground loop problem from another component, make sure all components are plugged into the same wall outlet/barrier strip, and all connections are tight.
The receiver, sub, PS3, DVR, modem, and Wii are all plugged into the same surge protector. It's nothing real expensive, but has always worked good. The TV is wall mounted and plugged into a separate one behind it.

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And make sure that the polarity's are all correct to all speakers, you get the plus and minus swapped on the center channel and it could sound funny or buzz.
They are all hooked up correctly. Though the speakers just have cheap clip connectors that I hate.

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Did you do the YPAO sound optimization after you got the speakers hooked up?
Yes, multiple times in fact as I was tinkering with things.

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The small gauge speaker wire could pick up a buzz from a Fluorescent lamp or light, try going to 14 gauge, I use 12 gauge on all my stuff.
No fluorescent lights in the room.

It seems to have only done it when turning it up louder than normal. I have to turn the receiver off and back on the get it to stop.

Last edited by mike81; 08-04-2014 at 08:26 PM..
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Old 08-06-2014, 02:22 PM   #6  
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I have uploaded a recording of the buzzing.

http://www.fileswap.com/dl/aOsxL0ik2s/
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Old 08-06-2014, 03:38 PM   #7  
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That's a typical ground loop buzz. If you have any component that uses the three wire cords, you might try getting a 3 wire to 2 wire adapter. My son-in-law's subwoofer would buzz like that until we ungrounded the sub amplifier. If that fixes it, it can be a real bitch finding which component is at fault. Start by disconnecting the PS3, DVR and Wii signals from the receiver and see if the buzz disappears. If it does, then plug in each component one at a time to find out which one is causing the issue. Sometimes reversing the 2 wire power plugs will work if you can. Also using optical connections may help.
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Old 08-06-2014, 03:49 PM   #8  
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That's a typical ground loop buzz. If you have any component that uses the three wire cords, you might try getting a 3 wire to 2 wire adapter. My son-in-law's subwoofer would buzz like that until we ungrounded the sub amplifier. If that fixes it, it can be a real bitch finding which component is at fault. Start by disconnecting the PS3, DVR and Wii signals from the receiver and see if the buzz disappears. If it does, then plug in each component one at a time to find out which one is causing the issue. Sometimes reversing the 2 wire power plugs will work if you can. Also using optical connections may help.
No 3 prong plugs. They are all 2 prong. Earlier when it started buzzing, I unplugged everything except the receiver and it was still buzzing. The buzzing stays the same volume no matter how I adjust the volume control. Right now I have the receiver, PS3, and sub plugged into a surge protector. The TV is plugged in a separate surge protector. I'm going to see if it still does it and take it from there. Thank you to all that have responded.

Last edited by mike81; 08-06-2014 at 04:49 PM..
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Old 08-07-2014, 07:59 AM   #9  
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If it buzzes with just the receiver connected to only the speakers, the problem is in the receiver.
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Old 08-07-2014, 03:04 PM   #10  
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If it buzzes with just the receiver connected to only the speakers, the problem is in the receiver.
Could speaker wire coming loose cause it? The cheap clip connectors on the speakers don't seem to be holding the wire too well.
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Old 08-09-2014, 03:57 PM   #11  
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Still trying to find the source of the buzzing. Today I played the same scene in Man of Steel that I usually notice the buzz. When it started buzzing, I turned the volume way down and let the movie continue to play. The buzzing stayed the same volume. I unplugged the Wii, modem, & DVR. about 10 seconds or so after unpluging them, I heard a click from the AVR like it does when turning it on or off or when the decoder turns on or off. Then the buzzing stopped. Then with only the PS3, TV, sub, & Receiver plugged in, I played the scene 4 or 5 times and it did not buzz. Though it could very well buzz again the next time I play it.
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Old 08-09-2014, 04:44 PM   #12  
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Still sounds like an intermitant grounding problem. I would suggesting you disconnect all components and pull power plug from the wall socket. then, without powering up, clean and reconnect everything .... Then plug it in and power it up.
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Old 08-09-2014, 07:04 PM   #13  
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Still sounds like an intermitant grounding problem. I would suggesting you disconnect all components and pull power plug from the wall socket. then, without powering up, clean and reconnect everything .... Then plug it in and power it up.
OK. The surge protector is 4 or 5 years old, but the grounding & protected lights are still on. It very well could have dust etc in the sockets. I will blow them out or try a new surge protector.
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Old 08-23-2014, 04:25 PM   #14  
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Well, I still have not been able to fix the issue. I've replaced the surge protector. The TV is plugged into a separate one behind the TV, but the speakers buzz even with it unplugged. I've even replaced the wall outlets that are on the same circuit. They needed replaced anyway. There is a dimmer switch in the same room, but on a different circuit and they buzzed with the dimmer off too. I have not tried thicker speaker wire yet. I think I'm about to call Yamaha and see what they say.

Update:

Called Yamaha and was told to take it to a service center. I guess I'll be doing that Monday if the problem continues.

Last edited by mike81; 08-23-2014 at 04:56 PM..
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Old 08-23-2014, 11:55 PM   #15  
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OK. I decided to try something. When the buzzing started, I unplugged the speakers from the back of the AVR one at a time. Right, Left, and then the center. As soon as I unplugged the center, the buzzing stopped. So I plugged in all but the center and let a scene play a few times. It did not buzz. I redone the wire connections to the banana plugs and the back of the center speaker. I'm now going to see if that fixes it.

Update:

Did not fix problem. It's going to the service center Monday.

Last edited by mike81; 08-24-2014 at 12:09 AM..
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