probably a laaanges warm up is only required to dimming, the "plug and Schmäck" test flickers the brightness from 70% with the touch lamps with 3 levels of brightness, and even worse, the part >> SUMMTDa I have no desire to return, the part is with me now stockpiled brightness ... OK, really small it is not the upper annealing part is over the normal length of an old E14 bulb. mfg Lebär