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jason str

50-60Hz hum in my system

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Is your power cord 2 or 3 prong from the sub?
It's a 2 prong.

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@King Kong

Sorry but I just want to make sure, the hum is coming out of the speaker? Or the amp inside is humming?

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It's coming out of the sub from what I can tell.

[mention=70481]King Kong[/mention]
Sorry but I just want to make sure, the hum is coming out of the speaker? Or the amp inside is humming?


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If you have a 2 prong plug and there's nothing else hooked up to the sub then the amp is bad.

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If you have a 2 prong plug and there's nothing else hooked up to the sub then the amp is bad.
I guess both subs are bad. What luck.

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10 minutes ago, King Kong said:

I guess both subs are bad. What luck.

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Klipsch subs?

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I'll being them both downstairs and see if anything changes. If nothing, then I'll pull apart the amps and meter out the caps and see if they're bad.

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1 hour ago, King Kong said:

I guess both subs are bad. What luck.

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Not necessarily, could be just something on the same circuit in the home causing the problem ( dimmer, appliance ETC...) as well or possibly a issue with the ground itself.

 

Move one to a different area of the home and plug it in to a known different circuit to eliminate everything but a ground issue in the home.

 

 

 

 

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Glad I didn't get behemoth subs to be lugging up and down the stairs.

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I'm not quite sure how it could be a ground issue if there's no ground lug on the plate amp pig tail.

 

Instead of lugging them upstairs, you might try running a long extension cord and plug them in on a known different circuit.

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I'm not quite sure how it could be a ground issue if there's no ground lug on the plate amp pig tail.
 
Instead of lugging them upstairs, you might try running a long extension cord and plug them in on a known different circuit.
Nnf

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5 minutes ago, CECAA850 said:

I'm not quite sure how it could be a ground issue if there's no ground lug on the plate amp pig tail.

 

Instead of lugging them upstairs, you might try running a long extension cord and plug them in on a known different circuit.

 

To eliminate the slim chance of a proximity issue of the problem.

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3 minutes ago, jason str said:

 

To eliminate the slim chance of a proximity issue of the problem.

EMF?

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Sorry, you lost me on that one.
Not sure what happened there but I tested all the outlets in the rooms and the closest one down the stairs with an extension cord. I'll just being the sub down and check each room as well since they're not heavy anyways.

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26 minutes ago, King Kong said:

Glad I didn't get behemoth subs to be lugging up and down the stairs.

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If my last suggestion does not work bring the sub to a different house for near 100 % proof you have 2 bad amplifiers.

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1 minute ago, CECAA850 said:

EMF?

 

Yes, odds are small but it happens.

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8 hours ago, King Kong said:

It's coming out of the sub from what I can tell.

 


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So out of the loudspeaker? Or the amp inside?

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