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Originally Posted by StirCrazy
Quote:
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Originally Posted by Samw
But those were different ballasts. You had the high powered M80 whereas mine was using only 250W.  |
but my point was they were both sold as HQI ballast. yours was an electronic ballast which at the time we though were just as powerfull but now we know different. at anyrate lots of data shows that with out reflectors the SE is a more powerfull bulb.
Steve |
But Steve, if you're mixing and matching like that, what if you had a DE and I had an SE? Your DE on the M80 would still outperform my SE on the IceCap ballast. So in that case one might think that the DE was better. But in fact, you used a different ballast which would produce more light than the IceCap regardless of bulb type. That's why you have to keep the ballast constant when making comparisons of bulb types (with same color temp).