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For what it's worth, I put my collection of bulbs on a wattmeter this morning. Results as follows:
Battery start voltage 12.5V. End of testing 12.3V.
Osram Nightbreaker+ 50/55
Hi 47.9W 4.2A 11.6V
Lo 36.5W 3.1A 11.6V
Phillips ExtremeVision. 50/55
Hi 52W 4.5A 11.7V
Lo 38.6W 3.1A 11.7V
My first LED. 180W, 18000LM, 6000K.
Hi/Lo 25W 2.5A 11.1V
4 chip LED 200W, 20000LM, 6000K. with cooling fan and motor.
Hi/Lo 14.5W 1.2A 12.1V
The latest 4 chip LED is coming out top with the best light output, least voltage drop, and least power consumption.
The LED bulbs show no difference in the power readings between dip and main, even though in the case of the 4 chip, all the LEDs are on for main beam.
I have yet to obtain a pilot bulb for the Cibie, but I am on my second one for the Autopal. The first was a very large multi chip thing which flickered when on the move and also wowed when the indicators were working...This was an MOT fail (although it was merely mentioned and not failed) The second one was given me by Utopia, is smaller with only 5 chips and so far is working well.
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