the only diffrence between HQI and SE is the lamp initial operating voltage, right now i am running my SE's with an HQI PFO ballast. Note that you will shorten the lamp life doing this, by how much im not sure but i wouldnt think it to be substantial though.
It all depends on the bulb itself. I am using Radium 20K SEs which are spec'd for HQI ballasts. They will not have shortened lamp life by running them on an HQI ballast.
01-29-2009, 07:39 PM
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