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Posted: Tue Sep 18, 2007 12:26 pm
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I plug my amp and stompboxes in a power filter, bought it many years ago for my Hifi, but one day I thought; hey man, it might work plugin my amp in this filter... it does :)
It reduces hum, can't understand why it is not found in music stores. The market is there.

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Posted: Thu Sep 27, 2007 12:19 pm
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Sledgehammer wrote:
I plug my amp and stompboxes in a power filter, bought it many years ago for my Hifi, but one day I thought; hey man, it might work plugin my amp in this filter... it does :)
It reduces hum, can't understand why it is not found in music stores. The market is there.


Thinking that Monster Cable is all about musicians equipment, I tried their $150US power filter/strip, which was useless in my situation. I took it back, and later found a used pedal by Electo-Harmonix called the Hum-Debugger.

It works beautifully on my Strat, without affecting the tone. I can move in any direction without problems, and use any pickup position.

But I would still like to know the name and model of the power filter you are using.

Dan


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Posted: Wed Oct 10, 2007 2:10 pm
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I got the Hum-Debugger too and can't tolorate the slight slapback echo it creates. It DOES kill the hum, and I kept it for when I have no other options.

I'm finding that my major problem is EMI/EMR from the power lines in my walls. It's not a grounding issue, because it happens even on a battery powered headphone amp.
My next step is to get these AUDIOPRISM - QUIETLINE FILTER things that are supposed to block noise from other devices (computers for example) getting into your lines.

If that fails i'm going to talk to an electrician. My guitars (even a Les Paul with humbuckers) are quiet when away from home.


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Posted: Wed Oct 10, 2007 2:34 pm
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It might not be your power lines,they're putting up all these cell phone towers in citys now.I would try a shielded cable that might help. :D


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Posted: Wed Oct 10, 2007 2:38 pm
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I have nice shielded cabes and my strat is so shielded inside I could keep plutonium in there.
If I cut the power to the house, the problem goes away. It may be noise comming into the house from the power lines, so i'm not sure what kind of filter they could install at the juction box.


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Posted: Wed Oct 10, 2007 2:45 pm
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eddie_bowers wrote:
I have nice shielded cabes and my strat is so shielded inside I could keep plutonium in there.
If I cut the power to the house, the problem goes away. It may be noise comming into the house from the power lines, so i'm not sure what kind of filter they could install at the juction box.
Nothing,its interferance from the power plant,we use capacitance banks and reactance banks to condition power,but they cost a fortune.[yes i'm an electrician] :D


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Posted: Thu Oct 11, 2007 11:22 am
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Years ago, a friend told me to fix acoustic problems acoustically and electrical problems electrically. This advise has served me well for 20 years and has kept me from trying to EQ my way through a problem, when all that was needed is a slight adjustment in equipment or PA positioning. Sounds like the world of electronics, florescent lighting, computers and cell phones have complicated things for the amplified musician. Still a good power conditioner and gate/compression technology might improve the situation. -- Good luck!


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Posted: Wed Oct 31, 2007 9:38 am
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Just a follow up on this. Those AUDIOPRISM - QUIETLINE FILTERs really helped a lot. I got 8 and put them all over the house. I think the main source of the noise on the lines was my entertainment system (even when off) and maybe the plasma TV specifically.


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Post subject: Re: hum at different room positions
Posted: Wed Oct 31, 2007 12:11 pm
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bassman51 wrote:
After shielding the interior cavity of my Strat, I have significantly lowered the noise levels at all pickup positions. But if I turn the guitar body around, the hum levels at bridge, middle and neck pickups really go up and down.

Could this be something in my house, or just normal for single coils?


The Fluorescent lights create more hum. if your using the hig efficiency light bulbs they are many times fluorescent.


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Posted: Wed Oct 31, 2007 12:18 pm
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Yeah florescent lights are definitely a problem, which sucks because I really don’t want to waste energy. Right now I turn off most of the lights in the house when I’m playing. That still didn’t completely help until I got the filters however.
I wonder if LED lights (when they get cheap enough to replace standard bulbs) have this issue.

-Eddie


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Posted: Wed Oct 31, 2007 1:21 pm
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I don't think they would because there is no gas to ionize in them, so there is no high voltage. They'll probably still hum as much as normal incandescent lights though.


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Posted: Wed Oct 31, 2007 5:17 pm
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eddie_bowers wrote:
Just a follow up on this. Those AUDIOPRISM - QUIETLINE FILTERs really helped a lot. I got 8 and put them all over the house. I think the main source of the noise on the lines was my entertainment system (even when off) and maybe the plasma TV specifically.


Are these used between the outlet and the TV/appliance? Do you have to have one on each device or each outlet?

This gives me an idea. I could go around unplugging everthing and turning of lights until I notice a change in my amp/guitar noise. The only flourescent lights I have are in the studio, but there seems to be no difference if they are off or on.

The easiest solution for me was to put an Electro-Harmonix Humdebugger between the amp and Strat. Some say it changes the tone, but I cannot tell it. It is very useful for recording.

Dan


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