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Old 11-07-2004, 02:10 AM
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Quote:
Originally Posted by dirtyreefer
Does that mean that AB labels the bulb as a 10K, but when measured it's really a 13K?
You're welcome. Yes, that's what it means. 10000K is what you see on the label of the box and in product catalogs. This is the name of the bulb. 13000K is the actual temperature as it is measured.

From the manufacturer's website:

http://www.aqua-medic.de/cgi-bin/php..._id=15&lang=en

"The aqualine 10000 lamp has a colour temperature of 13000º Kelvin and a high percentage of the light output is at the blue end of the spectrum. "

DE Bulbs are the same idea:

http://www.advancedaquarist.com/issu...2/feature2.htm

"The AB lamp, as seen from the spectral plot, has higher peaks in the blue/violet region, and hence has a much higher CCT. Personal conversations with Brad Shaw formerly of Aqua Medic had indicated that the AB lamp is in fact a 13000K lamp, and as seen from the test result this lamp did come close to the claimed color temperature (this result can also be seen in the data from the other ballasts). "
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