Single Ended SON and White SON discharge lamps are availabe from Philips and Iwasaki in 35 Watt, 50 Watt, 70 Watt, 100 Watt and 150 Watt. Philips references for these are Master White SON SDWT and SDWTG and Iwasaki reference for these is NHT SDX. These give excellent colour rendering at CRI 83% and have a universal burning position.
