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  1.     
    #1
    Senior Member

    Getting a hummer

    I just got a standard Magnetic 400 watt HPS. There is a small hum. Is it suppose to hum or is the ballast damaged?
    Thanks
    Gatekeeper777 Reviewed by Gatekeeper777 on . Getting a hummer I just got a standard Magnetic 400 watt HPS. There is a small hum. Is it suppose to hum or is the ballast damaged? Thanks Rating: 5

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  3.     
    #2
    Senior Member

    Getting a hummer

    Most magnetic ballasts hum/buzz, some amount. It means their happy!

  4.     
    #3
    Senior Member

    Getting a hummer

    Quote Originally Posted by Dutch Pimp
    Most magnetic ballasts hum/buzz, some amount. It means their happy!
    Thanks for your reply. I always used a CFL bank until now.imp::thumbsup:

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