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receiver watt usage from wall
#240753 01/16/09 08:34 PM
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Nick B Offline OP
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I just purchased an APC H10 a few hours ago and it is already being shipped. It states in the manual that it is rated for 1000 Watts continuous. I am adding up the wattage of what I will plug into it and am staring to get a little worried. My Pioneer plasma after calibration will use about 250 watts according to cnet. The PS3 is supposed to use about 380 watts. This leaves only about 370 watts for my Onkyo 805 and Outlaw LFM-1. I have read that sometimes the subwoofer can blow fuses when plugged into this unit so maybe I will just plug it into an extra surge protector that I have. But, is 380 watts for the Onkyo enough? The Onkyo is rated at 140 watts per channel, so will it actually draw this from the wall? I have 5 speakers so could it possibly draw 5x140 = 700 watts during peaks in the soundtrack? If this is the case I think that I may overload this thing and maybe I should have gotten the H15 instead. I usually research things like this better, but I found a really good price and just pulled the trigger before thinking it through completely.

- Nick

Re: receiver watt usage from wall
Nick B #240754 01/16/09 08:39 PM
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If you check the back of your devices, you will find a label that indicates their maximum wattage draw. You'll also find that your receiver will draw far, far more than 140WPC maximum. However, I have my H/K AVR525 (75WPC) plugged into a 1000 watt UPS without a problem.


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Re: receiver watt usage from wall
Ken.C #240759 01/16/09 09:11 PM
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Nick B Offline OP
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Well, I did some searching and it looks like I may have problems. It seems that the Onkyo can draw 9.5 amps or 1140 Watts. If I would have gotten the APC H15 then I would probably be okay since that will allow 1500 watts continuous. But, I bet when I am have some dynamic peaks I will be running into problems.

- Nick

Re: receiver watt usage from wall
Nick B #240765 01/16/09 09:27 PM
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Nick, I think you might be overthinking this.

First, I'd probably offload the sub first (to another outlet or another circuit).

Second, what are the chances that all of those devices will be pulling their maximum rating at the same time?


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Re: receiver watt usage from wall
tomtuttle #240785 01/16/09 10:19 PM
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Usually you don't plug a sub into any form of surge/power conditioner, most say so in the owner's manuals. I agree with Tom, you will never have all of the items drawing anywhere near their max at the same time. My Denon 3808, DVD player, VCR(yes I still have one), 5 disc cd changer and the Wii never draw more then 1-2 Amps during 99% of use, os so my Belkin PF60 shows.


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Re: receiver watt usage from wall
jakewash #240800 01/16/09 11:14 PM
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jakewash,

I've had my sub plugged into a Tripp Lite HT10DBS for quite some time now and it seems fine. Is it that a surge protector could be limiting the dynamic range of the sub a little bit? I know from reviews that the APC h10 or h15 can trip the fuses on some subs if it is boosting some other components. So, I was planning on putting the sub on a different circuit attached through the Tripp Lite. But, put everything else on my dedicated 15 amp breaker and through the APC unit.

- Nick

Re: receiver watt usage from wall
Nick B #240851 01/17/09 02:18 AM
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I think Alan answered this question a short while ago and said they recommend you not do it simply because it's one more variable they have to troubleshoot when you're having problems.

I could be making that up... but I remember something like that in recent weeks. \:\)

Jason


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Re: receiver watt usage from wall
Nick B #240912 01/17/09 10:51 AM
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 Originally Posted By: nickboros
jakewash,

I've had my sub plugged into a Tripp Lite HT10DBS for quite some time now and it seems fine. Is it that a surge protector could be limiting the dynamic range of the sub a little bit?
- Nick

You are right Jason, Alan did mention it and yes, there is a chance the Surge/power protection device could be limiting it's output and this could be detrimental to the sub. I suspect the better brands out there like your Tripp Lite are OK but you never know. I have run my sub hooked up to my PF60 for a little while and it still worked fine. I just thought I would point out that there is a possibility of a problem running the sub through a protection device of some sort as their amps can make large demands on the electrical side of things that can cause issues with these devices, it just falls under the "things to know about about, but does it really matter" category.


Jason
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Re: receiver watt usage from wall
jakewash #240936 01/17/09 03:33 PM
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Nick B Offline OP
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myrison and jakewash,

Well, maybe I can do an a/b comparision with the sub directly into the wall and into the Trip Lite on some bass heavy scenes. That would be great if I could squeeze out a little bit more performance.

As far as the apc unit goes, I decided to get a h15 so that I could rest easy at night. I know that everything will probably be fine with the h10, but it is only going to cost me an extra $50 (including the shipping charges that I am going to have to eat). The reason why I jumped on buying the h10 so quickly was because I found one for $100 at tigerdirect. They have the h15's at audioholics for $150. The only catch to both of them is that they are silver. I guess that apc is getting rid of the silver models. The black ones go for about $300 and $400 respectively. Even though all of my equipment is black, I don't mind having the apc in silver if I can save that much money.

- Nick

Re: receiver watt usage from wall
Nick B #240946 01/17/09 03:45 PM
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Cool Nick, I'd pay $50 to sleep well at night too. \:\)

Jason


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