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. | Downlight Lamp Output Comparison | | | | | | | | | | |
. | Efficiency Matrix Downlight Testing results by Mal Boyd MSc., EcoMad P/L | | Ironcore transformers vs Electronic transformers. The 20W Efficiency Matrix Halogen Lamp compares very well against CFL replacements. | | | | On mains Ironcore transformer with jig 14.5 VPP 50Hz clipped sinusoid - 12V RMS | | | | |
. | Downlight | Watts Nominal | Beam Angle | Wattage consumption 240VAC Light + Iron core transformer | Wattage consumption 240VAC + Electronic transformer | Result Angle | Test 1 | Test 2 | Test 3 | Averaged Lux output | |
. | Narrow Beam Lamps 38˚ | | | | | | | | | | |
. | BAB 20W Silver back | 20 | 36 | 29 | 21.7 | | | | | | |
. | | | | | | 0° | 827 | 841 | 861 | 843.00 | |
. | | | | | | 30° | 89 | 90 | 110 | 96.33 | |
. | LCO 20W BAB chrome back | 20 | 36 | 29 | 22.5 | | | | | | |
. | | | | | | 0° | 794 | 768 | 829 | 797.00 | |
. | | | | | | 30° | 56 | 65 | 92 | 71.00 | |
. | Wide Beam Lamps 60˚ | | | | | | | | | | |
. | 20W Efficiency Matrix FNV - Silver back | 20 | 60 | 28.6 | 21.2 | | | | | | |
. | | | | | | 0° | 617 | 590 | 618 | 608.33 | |
. | | | | | | 30° | 153 | 143 | 160 | 152.00 | |
. | 35W Efficiency Matrix FNV - Silver back | 35 | 60 | 48 | 40.2 | | | | | | |
. | | | | | | 0° | 718 | 798 | 791 | 769.00 | |
. | | | | | | 30° | 406 | 412 | 421 | 413.00 | |
. | Philips 30W 12V 60D Masterline ES | 35 | 60 | 46.5 | 39.3 | | | | | | |
. | | | | | | 0° | 1262 | 1341 | 1310 | 1,304.33 | |
. | | | | | | 30° | 404 | 312 | 328 | 348.00 | |