DX » Community » Reviews » KD-QP-9W-NBG E27 9W COB 1100lm Warm White Light LED Bulb (110~220V)
4.3
  • 5 star 3 ( 43% )
  • 4 star 3 ( 43% )
  • 3 star 0 ( 0% )
  • 2 star 0 ( 0% )
  • 1 star 1 ( 14% )
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  • posted byandremurari on 06/19/2013

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week Pros:As light point of view it looks almost perfect. * Real 9W, real 1100 lumens - very bright!! * Made of one COB LED emitter (the better one - not a lot of smd, or high intensity output LED) * Low power lost as heat * Better E27 lm/w LED bulb sku at dx.com Cons:As... Read more

    Real 9W light bulb, but have a bad power factor FFT shows a huge spectral spreading = high noise Wave voltage and rippled current switching wave Real 1100lm! In 1m² beats ~1067 lux (lux = lm
    6 0
  • posted byPaxWax on 05/30/2013

    Involvement:General (knows how to use it) - Ownership:more than 1 month Pros:there are some positive points - Material according to the description: solid aluminum body and dome is a ABS plastic. The color is a warm white light similar to incandescent (2700K). To be honest, the product would be perfect if not for .... Cons:I bought 2 lights, one... Read more

    2 1
  • posted byengst03 on 05/12/2013

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month Pros:Very bright and warm light. Unfortunatly I dont have a light meter but it is the brightest warm light COB I ever bought. Cons:Nothing is printed on the lamp, nor on the package. Furthermore it becomes extremely hot. Actually the bulb died just after a few hour... Read more

    1 1
  • posted byquimete74 on 04/19/2013

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month Pros:this lamp light is almost the same as a low consum cfl 18W (1100 lm) with the advantage that it turns on inmediatly. it seems to be well constructed, with metal material for better heat dissipation. the heat after a few hour runnings is nor exxecive you can sa... Read more

    4 0
  • posted byconrong on 04/10/2013

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month Pros:pretty bright (the same as 18w phillips compact fluorescent lamp 1145lm) descent quality, came Cons:light has a green tint comparing to cfl 2700k if used as single light source it can be slightly annoying - not warm but green tint color There is no markings neither on t... Read more

    1 0
  • posted bycameone on 03/08/2013

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month Pros:the bulb does not heat up and the materials are good even if plastic. the lamp is any lamp holder and the brightness is high from the first second. the light is high and to the room I'm using.the price is very competitive, but high for a normal bulb. the brigh... Read more

    1 0
  • posted byRolanD39 on 01/16/2013

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week Pros:very bright light, I dont have a light meter but it the brightest led I got I guess it 200 % brighter then a 6 watt led i bought locally that cost double very good price per watt relative fast delivery got it within 2 weeks of ordering Cons:does not come with an... Read more

    8 0

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