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Originally Posted by Delphinus
with the exception of the double ended 150W sized bulb which uses a M81 pulse start ballast
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the M81 is a Hqi ballast for 150 watt.
I think from what I recall they are nothing more than colored glass. I will see if I can find out anything for ya.
If you read down they also list a recomended starting voltage, which means you need to put a starter on your ballast also.
another thing I have noticed is that they are listed as having a wave length of 465nm so I am trying to find out if this is a Peek value or a average.
Steve
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