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Post subject: Re: EVH 5150 50W 120/240V
Posted: Mon Dec 12, 2016 8:34 pm
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A power conditioner provides surge/spike protection for your equipment as well as shielding the gear's line voltage against RFI/EMI interference.

http://www.furmansound.com/

Arjay

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Post subject: Re: EVH 5150 50W 120/240V
Posted: Tue Dec 13, 2016 3:04 am
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tschmid wrote:

What is a power conditioner? I never heard of it before.
.


Any question ; Google, :wink:
IMO you don't need that unless you have big problems with your electricity supplier.
And why using that in Europe more than at your home ?

http://furmansound.com/page.php?div=01&id=WHY_PWR


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Post subject: Re: EVH 5150 50W 120/240V
Posted: Tue Dec 13, 2016 8:30 pm
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Would I be using a 240V power conditioner before it goes to the transformer or have a 120V power conditioner after the transformer? Are you suggesting it because the output voltage of a transformer can be less reliable than regular "unaltered" line voltage (I feel like that's not the right word to use).


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Post subject: Re: EVH 5150 50W 120/240V
Posted: Tue Dec 13, 2016 8:54 pm
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tschmid wrote:
...or have a 120V power conditioner after the transformer?


This

I don't know what the juice is like across the puddle but it's bad enough here that I routinely use a power conditioner with all of my amps.

Arjay

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Post subject: Re: EVH 5150 50W 120/240V
Posted: Wed Dec 14, 2016 2:29 am
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Retroverbial wrote:
tschmid wrote:
...or have a 120V power conditioner after the transformer?


This

I don't know what the juice is like across the puddle but it's bad enough here that I routinely use a power conditioner with all of my amps.

Arjay


What are the power conditionner you use, brand name or picture ?


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Post subject: Re: EVH 5150 50W 120/240V
Posted: Wed Dec 14, 2016 2:36 am
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I use Furman's PL-PRO C conditioner.

Arjay

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Post subject: Re: EVH 5150 50W 120/240V
Posted: Wed Dec 14, 2016 3:02 am
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Retroverbial wrote:
I use Furman's PL-PRO C conditioner.

Arjay



Look quality stuff.


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Post subject: Re: EVH 5150 50W 120/240V
Posted: Thu Dec 15, 2016 10:35 pm
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It's been a pretty reliable unit for me, Stratele. I picked it up used about fifteen years ago for like eighty bucks. Money well spent in my case.

Arjay

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Post subject: Re: EVH 5150 50W 120/240V
Posted: Fri Dec 16, 2016 2:52 am
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Retroverbial wrote:
It's been a pretty reliable unit for me, Stratele. I picked it up used about fifteen years ago for like eighty bucks. Money well spent in my case.

Arjay


IMO most of us do not need that.

Ok I admit you may want to protect solid state fragile HD tv set or computer or if electricity at your home is not reliable and clean.


Last edited by stratele52 on Fri Dec 16, 2016 3:26 am, edited 1 time in total.

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Post subject: Re: EVH 5150 50W 120/240V
Posted: Fri Dec 16, 2016 3:19 am
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When you routinely play in saloons where the house wiring was installed back when Wyatt Earp was a U.S. Marshal you learn to appreciate what a power conditioner can do.

Arjay

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Post subject: Re: EVH 5150 50W 120/240V
Posted: Fri Dec 16, 2016 3:26 am
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Retroverbial wrote:
When you routinely play in saloons where the house wiring was installed back when Wyatt Earp was a U.S. Marshal you learn to appreciate what a power conditioner can do.

Arjay


+1 for saloons , not needed for home use.

That what I write , .....if electricity at your home is not reliable and clean.

Home = where you play


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Post subject: Re: EVH 5150 50W 120/240V
Posted: Fri Dec 16, 2016 7:56 am
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Retroverbial wrote:
tschmid wrote:
...or have a 120V power conditioner after the transformer?


This

I don't know what the juice is like across the puddle but it's bad enough here that I routinely use a power conditioner with all of my amps.


My experience from Europe is that most of Europe has far more reliable electricity grids than the US, with most wires being underground, lower tolerances, and 5-phase making it less likely that a neighbor starting up equipment will affect you.
In the UK and some of the poorer countries, it can suck, due to many old systems never having been updated.

Different earth/ground systems is the biggest gotcha. Ground can be either earth and not live ground, or it can be floating ground. When bringing US equipment that assumes a live chassis ground, using an ungrounded cable with just two prongs can save someone's life. Else, your equipment might feed a live wire into a ground wire, and you shock someone elsewhere in the house or heat your undersized US cables until they catch fire.


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Post subject: Re: EVH 5150 50W 120/240V
Posted: Sun Dec 18, 2016 8:29 am
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arth1 wrote:
Different earth/ground systems is the biggest gotcha. Ground can be either earth and not live ground, or it can be floating ground. When bringing US equipment that assumes a live chassis ground, using an ungrounded cable with just two prongs can save someone's life. Else, your equipment might feed a live wire into a ground wire, and you shock someone elsewhere in the house or heat your undersized US cables until they catch fire.


I'm not sure I understand what you're saying. Should I just make sure to use a 3 prong cable in Europe if I am using a 3 prong cable here or the exact opposite, use a 2 prong cable in Europe in that case?


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Post subject: Re: EVH 5150 50W 120/240V
Posted: Sun Dec 18, 2016 10:19 am
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tschmid wrote:
arth1 wrote:
Different earth/ground systems is the biggest gotcha. Ground can be either earth and not live ground, or it can be floating ground. When bringing US equipment that assumes a live chassis ground, using an ungrounded cable with just two prongs can save someone's life. Else, your equipment might feed a live wire into a ground wire, and you shock someone elsewhere in the house or heat your undersized US cables until they catch fire.


I'm not sure I understand what you're saying. Should I just make sure to use a 3 prong cable in Europe if I am using a 3 prong cable here or the exact opposite, use a 2 prong cable in Europe in that case?

Best is to ask a local electrician or stage technician to handle it. They know the local system, and can set up your equipment in a safe way. But if not, isolate all your US equipment on the same loop, behind the same single 2-prong connector. That way, you won't get different chassis ground on your equipment. (If you know that ground is compatible, use a 3-prong connector, otherwise don't.)

But make sure that US and European equipment doesn't touch. Including through your fingers, lips or otherwise.

The problem is that US equipment assumes that ground is connected to one of the two wires. In parts of Europe, this is not the case. There are two live wires plus a ground that is not connected to either, and must not be, but is either earthed at the house (older UK systems), earthed at the nearest transformer, or is floating ground, which isn't connected to anything except the ground for everyone else.

The two live prongs are often identical in size, and plugs can be inserted two ways without a functional difference.

If you plug in two US devices to a non-US system, and they both connect what is assumed to be the grounded lug to the chassis, and one of the plugs happen to go upside down relative to the other, the best you can hope for if they touch is blowing the house's fuses. If they touch through you, well...
And if floating ground, you might cause problems somewhere else in the grid by shorting live to ground. A single device doing it doesn't matter. More than one does.


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