the average wattage of the 138 pulse start is 272 to 298 watts, for the M58 it is 290 to 298 watts.
so a average wattage of 290 just says the ballast is 86% efficient and only 14% of the power used is given off in heat.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
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