The original Cree T8 had a light output of 2100 lm, and with 120 LEDs the math works out to 17.5 lm/LED, while the new lamp's 1700 lm and 80 LEDs works out to 21 lm/LED. The new product has a drop in total lumen output but a 21% increase in lm/LED over the original version.
SAAD redirects here. For other uses, see Saad (disambiguation) . Saad (Arabic: Ø³Ø¹Ø¯, SaÊ¿d â) (also spelled Sa'ad) is a common male Arabic given name that means felicity, prosperity, successful and good luck. It may be a shortened version of Sa'd al-Din, and is not to be confused with Saâid.AAD redirects here. For other uses, see Saad (disambiguation) . Saad (Arabic: Ø³Ø¹Ø¯, SaÊ¿d â) (also spelled Sa'ad) is a common male Arabic given name that means felicity, prosperity, successful and good luck. It may be a shortened version of Sa'd al-Din, and is not to be confused with Saâid.
Meaning & History. From the French form of the Germanic name Adalheidis, which was composed of the elements adal noble and heid kind, sort, type. It was borne in the 10th century by Saint Adelaide, the wife of the Holy Roman Emperor Otto the Great. The name became common in Britain in the 19th century due to the popularity of the German-born wife of King William IV, for whom the city of Adelaide in Australia was named in 1836.