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Post by monkumonku on Aug 21, 2012 22:53:49 GMT -5
Don't get a false sense of security with the CMX-2. It is not a surge protector. It's a line conditioner. A very nice one at that. If you were referring to the post I made, I do realize it is not a surge protector. The XPA-1's are supposed to have that built in, and most likely the CMX-2's line conditioner has no effect on my power because it seems to be pretty clean already. But it was on sale at a great price so I figured what the heck, it won't hurt to get them. ;D The point I wanted to make was they don't limit the current. |
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Erwin.BE
Emo VIPs 
It's the room, stupid!
Posts: 2,259
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Post by Erwin.BE on Aug 22, 2012 3:59:24 GMT -5
I don't even use hair conditioner  |
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Post by unfairlane on Aug 22, 2012 4:38:56 GMT -5
I want the Science behind this explained, please. According to Lonnie, many power conditioners limit current to the power amps. I have also heard (but I have no personal proof or experience) of some such devices that have wiring that were out of phase for some inputs that affect component performance. Someone with an engineering background is better able to explain the science behind all this ;D Lonnie is right. Avoid extension-cables too, heavy amps need heavy powercables straight into the wall. That`s on the high-current primary side, to feed the amp. But then on the secondary low-current side people still uses tiny overpriced "hifi"-cables into their speakers, expecting their amps to force power through those hairthin connectors |
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Post by Bonzo on Aug 22, 2012 8:42:00 GMT -5
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Post by jjmatrix on Aug 22, 2012 21:36:31 GMT -5
...Lonnie, the chief engineer for Emotiva had previously advised that Emo power amps and subs should be plugged directly into the wall socket. They already have surge protection built in... I've seen this statement before and replied to it, but I'll do it again  : if they do have this kind of protection, I would definitely not rely on it. Both my UPA-1s and my UMC-1 are ''zapped' following a lightning storm. Fuses are OK by the way. Truth to be told, I won't rely on a dedicated Power Surge Protector either... it didn't help in my case, as I had my equipment plugged into one(Monster, about $90, not sure of the exact model). My Electrician said that these are for low level spikes within the electric circuit... and that's it. |
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Post by RichGuy on Aug 22, 2012 23:51:32 GMT -5
...Lonnie, the chief engineer for Emotiva had previously advised that Emo power amps and subs should be plugged directly into the wall socket. They already have surge protection built in... I've seen this statement before and replied to it, but I'll do it again : if they do have this kind of protection, I would definitely not rely on it. Both my UPA-1s and my UMC-1 are ''zapped' following a lightning storm. Fuses are OK by the way. Truth to be told, I won't rely on a dedicated Power Surge Protector either... it didn't help in my case, as I had my equipment plugged into one(Monster, about $90, not sure of the exact model). My Electrician said that these are for low level spikes within the electric circuit... and that's it. Yes surge protection is for spikes within the electric circuit. Nothing can be counted on to protect against lightning NOTHING. That does not mean that a surge protector can't protect against damage that may have otherwise occurred during a lightning strike. But nothing can guarantee protection, lightning is just too powerful. If a direct strike or even a near strike occurs it can destroy anything. |
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Post by jackfish on Aug 23, 2012 9:18:41 GMT -5
Nothing can be counted on to protect against lightning NOTHING. Oh yes, there is something. Unplug your equipment when you know an electrical storm is approaching. |
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Post by anonymous on Aug 23, 2012 10:54:29 GMT -5
Nothing can be counted on to protect against lightning NOTHING. Oh yes, there is something. Unplug your equipment when you know an electrical storm is approaching. Even that may not help if you have SAT/Cable. Surge can come in over the coax hit the STB, then your display and then your gear. Sure, it is a long shot, but it has happened with direct or near by pole strikes. |
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stiehl11
Emo VIPs
Give me available light!
Posts: 7,261
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Post by stiehl11 on Aug 23, 2012 12:12:35 GMT -5
I assumed that when the statement made was unplug your equipment from the wall that it included the coax as well.  I believe, and I very well can be wrong, that certain units warranty your gear from over-voltage conditions up to a certain amount. I would have to check but I thought Belkin does this. |
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Deleted
Deleted Member
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Post by Deleted on Aug 23, 2012 12:21:18 GMT -5
> Oh yes, there is something. Unplug your equipment when you know an electrical storm is approaching.
A nearby strike creates a powerful EMP (electromagnetic pulse). Your speaker wires, etc, act like antennas, picking up the pulse and leading it into your amplifier.
I know of a church, whose steeple has a history of lightning strikes; so it was church policy to unplug equipment not-in-use. The church took a direct it and the electronic organ, church computer and phone system were all destroyed, even though the organ and computer where unplugged.
I use good surge protectors on all my expensive electonics. I said this elseware: for info about surge protection, power conditioning, ground loops, dedicated lines, etc, watch this
<http://twit.tv/show/home-theater-geeks/121>
Podcaster discusses these questions with an engineer from Surgex. Very good info.
Sincerely
/blair
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Deleted
Deleted Member
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Post by Deleted on Aug 23, 2012 12:36:00 GMT -5
>> Unplug your equipment when you know an electrical storm is approaching.
> Even that may not help if you have SAT/Cable. Surge can come in over the coax hit the STB, then your display and then your gear.
Back in the days of computers with modem cards that plugged into the phoneline; lightning damage often involved the modem. That was because there was a ground loop between the AC power ground that the computer plugged into, and the modem ground provided by the phone company. That's why later surge protectors always included phone protection for the modem. I've seen surge protected computers, with it's modem card blown up and computer damaged, because the phone line wasn't protected. The pulse may not have come in the phone line; it may have exited that way!
Be sure you have no ground loops; all power cords plugged into the same circuit and surge protector, CTV/dish coax grounded to the same circuit, etc. That's why good surge protectors have all those cable/phone/ac connections!
Sincerely
/b
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Post by RichGuy on Aug 23, 2012 20:01:08 GMT -5
Nothing can be counted on to protect against lightning NOTHING. Oh yes, there is something. Unplug your equipment when you know an electrical storm is approaching. Nope still not a guarantee of no damage, much safer yes but no guarantee, lightning has traveled a long way through the air before it got there it does not need wires to get to your equipment. A direct strike has the potential to destroy your whole home. My point is a surge protector can save or extend the life of your equipment and a quality power conditioner with quality high current outlets will not have ill effects on sound quality but can improve it. But surge protectors are meant to protect against power line surges and electrical problems. They might sometimes help in a storm but they definitely will lose to a powerful lightning strike. Think of it as wearing a bullet proof vest in a bomb explosion, it could save you but. |
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Post by aquarius on Aug 24, 2012 3:43:23 GMT -5
Very interresting topic, which leads me to another question...
I vote for drop in AC voltage: I recently tried to plug my xpa-2 to the same strip as all the other toys and experienced a bizarre issue: my pre-amp (an Atoll IN50SE used as pre) decided that there was an issue and went into self-protection mode (volume goes to zero and mute automatically), like there was a short circuit somewhere. used as pre there's no HP cables plugged into it, of course. The only time this had happened before was when I used is a a true integrated amp and one HP cable was disconnected and touching the other one. So I believe the xpa was sucking too much current of off the strip and the pre-amp didn't like the AC drop one bit (as a pre it doesn't draw much current).
Which leads me to the question...
the CMX-x seems like a great and affordable product for the price, but it's 120V and US plugs... does any of you living in Europe (not UK, thanks, other plugs also) know of a similar product?
The only ones I've found seem to cost 3x or 4x as much.
THanks all !
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Post by roadrunner on Aug 24, 2012 12:15:43 GMT -5
I would E-mail or call Emotiva and pose this question. If anyone is in a position to know the answer it is Emotiva. Good luck.
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Post by RichGuy on Aug 24, 2012 15:50:06 GMT -5
Which leads me to the question... the CMX-x seems like a great and affordable product for the price, but it's 120V and US plugs... does any of you living in Europe (not UK, thanks, other plugs also) know of a similar product? The only ones I've found seem to cost 3x or 4x as much. I remember seeing Lonnie post that a 240v version was going to be made available for outside of the US so I would check with Emotiva. Also I know I have seen my own favorite power conditioner the Belkin PF-60 had a version for outside of the US as well so you could check that out too. |
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Post by aquarius on Aug 25, 2012 10:46:50 GMT -5
I remember seeing Lonnie post that a 240v version was going to be made available for outside of the US so I would check with Emotiva. Also I know I have seen my own favorite power conditioner the Belkin PF-60 had a version for outside of the US as well so you could check that out too. Thanks for that Yes I'll definitely ask Emo about a European version. For the time being it seems that belkin stopped selling line conditioners in Europe a couple of years ago. They are not listed on their product page. But either I can grab one on ebay or find an equivalent. At least it gives me a starting point, so thank you |
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: if they do have this kind of protection, I would definitely not rely on it. Both my UPA-1s and my UMC-1 are ''zapped' following a lightning storm. Fuses are OK by the way.
