Very bright, delivery was fast, easy to assemble works great, doesnt appear to be loosing its mojo :)
The led module is quite small easy to fit in many different setups and if you need a larger version you can always connect a few of them together The light is really "yellow" but thats what i was looking for so not really a con for me. Its ... Read more
Enough light for my dinner room with low consumptions. You really need a cooler; I've build a good one with a metal reflector of an alogen bulb and the LED has burned after 3 months of some hours daily use.
The back of the LED goes very hot and can cause damage, to the LED itself. I haven't seen cooler to buy on DX; I think they are more useful than ... Read more
The LED matrix is made very much qualitatively. Phosphorus layer uniform in structure and thickness. Heat conductivity of the base more than sufficient. Distribution of diodes the very concentrated. It carries out to phosphorus saturation at the power bigger than 10W. It is well visible on characteristics (look at pictures). Such problems exist for ... Read more
That LED is very good, i use it to lit a room when i am on computer.
In combination with driver SKU: 132974 it is great combination.
With little conversion of the power unit you get dimmable LED. It says more in coments of LED driver.
LED driver uses maximum of 20W power, i measured. It gets quite hot, you have to use a heat sink, i used a heat sink ... Read more
Gives much light in a nice warm color.
Can be used with a 700mA currentsource wich can deliver 40 VDC.
The big unit needs further cooling but is , because it is quite big itselve not so fast ghetaing up as the 50 watt version . I've bought too. So a cooler from a old graphic catd woith blower will do the trick. Can work together with 120106, a 1 ohm ... Read more
The light output of this LED is enormous. I could not measure the lumens, but I think it's "very" bright... The copper plate the chips are mounted on, is very big (in relation to the number of chips). So the amount of heat energy per area is smaller an good to handle. The light temperature is not as "warm" as I expected. I did not ... Read more
Lots of light Lots of heat As usually - divide LM value by 2 - get real value :) Probably active cooling (fan) will be needed or massive cooler. I used alloy cooler from CPU with copper core 8x6x4cm - reached 50°C in couple of minutes. Compared to 100W classic bulb (1370lm) it makes less light. Probably 1000-1200lm could be real value. Makes light ... Read more
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