Philips B22 12 - 60 Watt Master LED Energy Saving Light Bulb, 2700 K, Dimmable, Warm White

The bulb uses 12 watts and outputs 806 lumen (67 lumens per watt) with a 300+ degrees spread. This makes it a true (well, the truest I've seen so far) replacement for a traditional 60w incandescent bulb. Bulb seems to be well made.

To my eyes the light seems to be a bit warmer than incandescent (also known as 'warm white' 2700k).

In use the bulb does get 'too hot to touch' so I would probably not recommend using this bulb in a fully enclosed fitting/ luminaries. This is to allow for some air flow to keep the bulb cool and so realise the full life of the bulb.

If hanging the bulb from a ceiling pedant, the bulb does seem to throw out more light along the horizontal plane/ x-axis. Hence I think this bulb is probably more suited to table or floor lamps.

The dimming function is useful when using multiple bulbs together. I personally don't really see any point in dimming a single bulb of this wattage.

If you are not in a rush to buy then I would probably recommend waiting for the release of the newer, more efficient models and for prices to come down. For example, the Philips MasterLed 'L-prize' bulb (google it) is a 60w incandescent replacement and uses only 9.7 watts and outputs 910 lumens (93 lumens per watt). These are suppose to be out sometime this year.

Also Philips should have 75w and 100w incandescent equivalents available soon too. These are probably more suitable for single bulb pedant ceiling light fittings in small to medium sized rooms.

Other big brands e.g. Toshiba, GE, Osram etc are expected to release competing products so it's worth researching to see what is available now and what is going to be available soon. As the initial cost of LED bulbs is relatively high, and it's long term 'investment', it's worth finding the right product for your needs.

I have used these bulbs to replace CF bulbs in the most used places - stair well, corridoors and most used rooms.

The quanity of light is excellent and the colour of very warm white (2700k) is what I have been searching for (I find the high temperature bulbs too blue/white for my taste).

They are a heavier than other LED bulbs (but not has heavy as the old CF bulbs that philips made with the prismatic 'jam jar') and they do get warm if (not enough to burn though).

After only a little while I cannot say about their life expectancy though one philips LED I had lasted only a couple of months (AN ascents bulb not one of these).

So far I am very very pleased with the bulbs.

The only negatives are that they are expensive - tough there is a big variation between suppliers (at the time of writing) and they are heavier than most.

I have recently purchased 1 of these and I shall be getting another 6 in the next few days, thats how good they are.
As the only other review says, they are quite heavy but not to a point where it would be a problem.
The light output is fantastic including lighting up the ceiling which I was warned was an issue with that style of LED bulb.
It is as bright as a 20w GE CFL and the colour tempreture is a lovely warm white which is slightly warmer than the CFL.
As long as they last the course then these lamps are great and will save a lot of money on the lx bill