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  1. #1

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    Default 20 amp circuit stress limit?

    I would like to install a 20 amp dedicated circuit on 12 awg wire. What is the max watts it can handle or what should be a safe amount to not stress it?

    This is what I will be plugging into that circuit:

    Pioneer Elite SC07 reciever
    Pioneer Elite 23FD bd player
    SVS PB12 Ultra sub
    Comcast HD cable box

    And would the SurgeX SX1120RT surge protector be able to handle and protect that, would I be stressing it or is it well within it's limits?

    http://www.surgex.com/products/sx1120rt.html

  2. #2
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    20 Amp circuit for what you listed is no problem. That is a 2400 watt circuit.

    SurgeX makes a great product and the one you listed will have no problems.

  3. #3

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    The electrician's rule of thumb is that a 20amp circuit should carry no more than 1920watts of continuous load. You don't have anything to worry about if you have a dedicated 20amp circuit with just that equipment on it. If you're concerned you could get a Kill-a-watt and put it between your surge protector and the wall outlet and see what the max is. After that experiment though, I would just plug the sub into a wall outlet. Plugging it into a surge protector will make it work less good.

  4. #4

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    Quote Originally Posted by jinjuku View Post
    20 Amp circuit for what you listed is no problem. That is a 2400 watt circuit.

    SurgeX makes a great product and the one you listed will have no problems.
    Thanks

  5. #5

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    Quote Originally Posted by On3s&Z3r0s View Post
    The electrician's rule of thumb is that a 20amp circuit should carry no more than 1920watts of continuous load. You don't have anything to worry about if you have a dedicated 20amp circuit with just that equipment on it. If you're concerned you could get a Kill-a-watt and put it between your surge protector and the wall outlet and see what the max is.
    Thanks

    Quote Originally Posted by On3s&Z3r0s View Post
    After that experiment though, I would just plug the sub into a wall outlet. Plugging it into a surge protector will make it work less good.
    SurgeX is a professional audio surge protector used by professional recording studios to lower the noise floor, also some members at avsforum.com have done testing with SurgeX products and found the same results with improved SQ and lowered noise floor. Are you sure a SurgeX will hurt the SQ of a sub or are you refering to the more common mov based surge suppressors like APC, Monster, Panamax, Triplite? SurgeX doesn't use mov's, it uses Advanced Series Mode, and has EMI/RFI filtering.
    Last edited by digitalvideo; 04-12-2011 at 10:18 PM.

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    I would try it both ways (sub on surge protector and direct to wall) and see if you have any preference. I personally don't think a subwoofer is delicate enough to need to be on a surge protector, and surge protectors typically don't help sound quality when it comes to the low end.

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    DV, the lowered noise floor as far as I have observed, has only been on the mid to upper frequencies. I would plug the sub directly into the 20 amp outlet and the rest into the SurgeX and call it a day.

    You would not be stressing it, enjoy.
    In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence.

    "The best way to enjoy digital music reproduction is to never listen to good analogue reproduction". - Kenneth Swauger

  8. #8

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    Ok, thanks...

    Could I add on another second SVS PB12 Ultra sub onto that circuit or is that pushing it?

    I don't know if I want to plug the second SVS sub in the opposite corner of the room in a seperate dedicated 20 amp circuit or plug it into the same circuit with all the other electronics listed above and connect a long wire around the room, either way the second sub will be in the opposite corner of the room.

    It would look like this on one circuit:

    Pioneer Elite SC07 reciever
    Pioneer Elite 23FD bd player
    Comcast HD cable box
    SVS PB12 Ultra sub
    SVS PB12 Ultra sub

    And would the SurgeX SX1120RT handle that?
    Last edited by digitalvideo; 04-12-2011 at 11:06 PM.

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    DV,
    You should have no issues adding another PB12 to this 20A circuit.

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    Quote Originally Posted by digitalvideo View Post
    Ok, thanks...

    Could I add on another second SVS PB12 Ultra sub onto that circuit or is that pushing it?
    I run my equipment stack off of a 20 amp circuit and have never tripped it. That includes (see my sig) a Behringer EP2500 pushing two subs, AVR, Adcom GFA 5503, TV, X-Over.

  11. #11

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    Ok, thanks everyone.

  12. #12

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    My house is wired with all 10 amp circuit breakers, except for furnace and AC. I have all my equipment plugged into one circuit and have never tripped the breaker. I'm planning on running dedicated circuits eventually
    Sharp LC-80LE632U
    Pioneer SC-07
    Parasound 1500A (L&R)
    Rotel RMB-1095 (C, SS, SB)
    Front: Rti12's
    Center: Csi A6
    Side & Rear Surrounds: Mirage OMD-5
    Subs: Epik Legend x 2 and SVS PB12/+2
    Velodyne SMS-1
    PS3
    Pioneer BDP-320
    Logitech Harmony 700 Universal Remote
    APC H15
    XLO IEC power cords by Pepster
    Morrow Audio MA4 IC's
    Audioquest Chocolate & Pangea Audio HDMI's

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    I am running all what I have in my signature and a 750watt power supply in my computer. Never had any problems.
    HT setup
    Dynex 40 inch tv
    Denon DBP-1610
    Monster HTS 1650
    Pioneer Elite VSX-81TXV
    Carver A400X
    MIT Exp 3 Speaker Wire
    Martin Logan Aerius
    Apple Tv 2nd Gen
    Logitech Harmony One Advanced Remote

    Living Room
    63 inch Samsung PN63C800YF
    Polk Surroundbar 3000
    Samsung BD-C7900

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