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Thread: Generator question

  1. #1
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    Generator question

    I will be Dj’ing at a park next week with no power outlet. I will be running 2 QSC KW181 subs, 4 QSC K12 tops, Pioneer DDJ1000 SRT and a MacBook Pro laptop.

    Can someone help me on what size generator I will need?

    TIA!!

  2. #2
    Look at the rear panels of the speakers to find the ampere draw. Add them to find how many amperes the generator must be able to provide. The deck and laptop won't draw enough to be of concern.
    Bill Fitzmaurice
    Bill Fitzmaurice Loudspeaker Design
    www.billfitzmaurice.info/forum

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    Quote Originally Posted by Bill Fitzmaurice View Post
    Look at the rear panels of the speakers to find the ampere draw. Add them to find how many amperes the generator must be able to provide. The deck and laptop won't draw enough to be of concern.
    According to this pic, total amps will be 12.6 amps,
    12.6 amp x 120v = 1512w?

    https://i.imgur.com/j7BecJF.png

    So if I get a portable generator 2000w or bigger it’ll do the job for 6 hours?

  4. #4
    Truck Driver Dix's Avatar
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    Quote Originally Posted by AZ Mix Masters View Post
    According to this pic, total amps will be 12.6 amps,
    12.6 amp x 120v = 1512w?

    https://i.imgur.com/j7BecJF.png

    So if I get a portable generator 2000w or bigger it’ll do the job for 6 hours?
    2000 should be ok but, You might need a little cushion for start up power. Then incase you forget that you need to plug in something else, I'd try to get something like 3000 to be safe.
    I bought a 3500 for my backup.
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  5. #5
    It will, at 1/8 power. But if you push them you'd need more.
    Bill Fitzmaurice
    Bill Fitzmaurice Loudspeaker Design
    www.billfitzmaurice.info/forum

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    Quote Originally Posted by Dix View Post
    2000 should be ok but, You might need a little cushion for start up power. Then incase you forget that you need to plug in something else, I'd try to get something like 3000 to be safe.
    I bought a 3500 for my backup.
    Thank you, I'm looking at a Champion Invertor 4250/3500.

    What brand did you buy?

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    Quote Originally Posted by Bill Fitzmaurice View Post
    It will, at 1/8 power. But if you push them you'd need more.
    Right, according to the pic, 1/8 is fairly loud with occasional clipping.

  8. #8
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    Quote Originally Posted by AZ Mix Masters View Post
    Thank you, I'm looking at a Champion Invertor 4250/3500.

    What brand did you buy?
    I bought a Harbor Freight brand which is Pedator. I actually have two. A 3500 & a 6500. They are dependable generators. But keep in mind, its going to be hard to get parts for them &/or get anyone to work on them. I'd suggest biting the Bullitt & getting a Honda.
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  9. #9
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    You should be using an inverter generator with audio equipment, the Westinghouse iGen4500 is probably the best bang for the buck right now.

    I have done park events with slightly smaller speakers... EV EKX 12's over 18's and needed ever bit of a 5500w generator but I'm sure the DJ was flogging the system pretty hard.
    Paul O'Brien
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  10. #10
    Deez Beats! KLH's Avatar
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    You can always rent what you need for single gigs like this.
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