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Downlight Lamp Output Comparison

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Efficiency Matrix Downlight Testing results by Mal Boyd MSc., EcoMad P/LIroncore 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

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DownlightWatts NominalBeam AngleWattage consumption 240VAC Light + Iron core transformerWattage consumption 240VAC + Electronic transformerResult AngleTest 1Test 2Test 3Averaged Lux output

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Narrow Beam Lamps 38˚

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BAB 20W Silver back20362921.7

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827841861843.00

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30°899011096.33

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LCO 20W BAB chrome back20362922.5

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794768829797.00

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30°56659271.00

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Wide Beam Lamps 60˚

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20W Efficiency Matrix FNV - Silver back206028.621.2

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617590618608.33

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30°153143160152.00

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35W Efficiency Matrix FNV - Silver back35604840.2

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718798791769.00

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30°406412421413.00

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Philips 30W 12V 60D Masterline ES356046.539.3

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1262134113101,304.33

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30°404312328348.00

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ChromStar 50W FNV506061.253.5

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1544146215191,508.33

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30°144163159

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Crompton Alustar 50W FNV506060.951.9

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1576156515221,554.33

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30°180193170181.00

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GU10 40W Efficiency Matrix - Silver Back406044na

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87710521059996.00

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30°240253287260.00

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50 W 240V GU10506061na

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832791843822.00

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30°182192126166.67

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5W LED Single ROHS560116 (flickers)

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81119131110.33

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30°60686765.00

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CFL Lamps

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CFL Coil Std 240V globe1436014na

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9090.00

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30°100100.00

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90°120120.00

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Nelson CFL Downlight MELGU10R11CW11609.36na

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4343.00

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30°3535.00

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Ecobulb NZ CFL Downlight156015na

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136136.00

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30°132132.00

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Lux readings were conducted, 1 meter away from the light source.