Energy saving GU10's

nheather

You know, I now have no idea what I meant by the medium beam version! I presume I meant a warm white version.

Its obviously very difficult to talk about brightness as it's one opinion verses another as I don't have a light meter. However, I'd say the LED was something around 50-70% of the 50W halogen it replaced - with a similar beam spread. There is certainly no spot light effect with the LED. I went for warm white as this seems very similar to the halogen it replaced.

My bathroom was WAY over lit with 5 x 50W halogens, so turning it down a bit was a good thing.
Cheers,
Rob.

leon

A 35W halogen would have been 70% of the 50w one

Tolly16

i maybe able to help aliitle i  have been using led for the last 4 years in my house in the forms of gu10 fitting

type one cluster led these were great about 4 years ago only 1w to power and about 15w of light  downside the leds will sometimes fail in the cluster they generate zero heat and are great for mood lighting (white light only) which is whiter than the standard gu10 filement bulbs  (£5.00each)

type 2 are single  leds that one bright led in a single mirror tube these are bright then the type 1 and i have never had one fail in 3 year they come in white light ( blueish) and warm white simular to the filament bulbs ..they use 1w around £8.00 each

type 3 are  3 x 1w in and array same as type 2 but three of them brighter than the type 2  beware of the imatation ones on flee bay they give of a very yellow light and do not last as long as the proper ones ,,u get what u pay for cost around £15.00 fake ones are £10.00 each ..3w and give out around 25w of light

type 4 the ultimate ones are cree chipset look the same as the type 3 with three led these ones have a long glass luxeon bulb inside a good way to tell the proper ones from fake underpower ones these cost around £18.00 each they give out the same light as the original filement light bulbs all be it in a smaller beam .. 3watts to run and give allittle heat ok to pick up in your hand after 3 hours of use ..
payback on these bulb with normal use around one to two years they are good for around 60 thousands hous which is amazing..
it very tricky to get hold of luxeon bulbs in the uk as the shops dont like to sell the everlasting light bulb
ive been importing cree/luxeon for years now from the usa and there performance is amazing ..im not a business just sell them to friends

hope this helps

Member 414737

So how do these compare with a GU10 50W Halogen.

I've been looking at the Zenigata which are claimed to be a direct equivalent replacement but I'm confused by this when I look at the claimed Lumens output for each

Zenigata - 200
50W Halogen - 500

I just struggle to see how these can be comparable.

My concern, is that whilst I would love to replace the 11 in my kitchen, the light level isn't great with Halogen so I don't want to pay £250 for something that is worse.

I did put the question of YourWelcome and they seemed a little taken aback by the 200 lumens versus 500 lumens but they did they concede that the Zenigata aren't as bright as a 50W Halogen.  They did say they offer a keep of return service so I might buy one to try them out.

They also said that it maybe better to wait until next year - there is another step up in technology coming through and they expect to have true 50W GU10 (and better) replacements then.  Although they said that they have had the first examples for testing and haven't been very impressed so far.

Cheers,

Nigel

leon

nheather
the cree luxeon are the same as a 40w gu10 imoa and the white light version is slightly brighter than a 40w gu10.  its the first time ive been able to use led bulb that give out the same power in light

Member 414737

Read this about the Master LED lamp 7W.


Recalled ProductsBETA
uk and european product recalls by email and rss
Master LED lamp 7W 230 Dimmable
19-Sep-2009
Details
Brand: Philips
Type/number of model: GU 10 E27 standard, E27 NR63

Description: Lamps intended for professional use, but some may have been fitted for domestic use.

Country of origin: China
Danger
Electric shock
The product poses a risk of electric shock because the overheating of one component of the power supply of the lamp may damage the electrical fitting and/or the luminaire.
Action Taken
Voluntary stop of sales and withdrawal from the market by the manufacturer.
The Next Step...
If you purchased this item, get in touch with the place you bought it from to find out what to do next.
If you live in the UK and need further advice, please contact Consumer Direct on 08454 04 05 06 or Consumer Direct.

nheather

That was actually an old lamp. That is the 7W 35W equivalent GU10 dimmable lamp. The first version that Philips brought out. All of these were recalled at the beginning of the year, not September as your post claims. Since that model there has been version 2 35W Dimmable 7W, MR16 20W Equivalent Dimmable and now the 50W equivalent 7W dimmable lamp.

Member 414737

Nigel,

The problem with LEDs is that you cannot measure the light output in the same way. An LED lamp is a new technology - a point light source - so the beam intensity must be taken into consideration. Although the lumen output may be less, in fact the unpublished lumen output of the 7W MasterLED (50W Equivalent) is 290 lumens, the beam intensity is 1000cd (candelas). This means that the lighting effect, although lower in lumens is actually just as bright as a 50W GU10. I hope this makes sense!

Andy.T

Are they rated for use in bathrooms do you know? I'm looking for really low wattage nice warm bright downlighters for our bathroom.

leon

i have been using some led,s in the bathroom for a few years now with no problems with the humidity ..
i have 4 gu10 on a homebase light fitting .plenty of light