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Search: Posts Made By: groar
Forum: Lighting 11-07-08, 10:00 PM
Replies: 18
Views: 16,673
Posted By groar
LED and lumens

I spent a couple of minutes this afternoon in my bulb store. On LED only a subset of one brand indicate the lumens of their LEDs. They were all 1W and composed of 20 LEDs. Here they are :

yellow...
Forum: Lighting 10-27-08, 04:12 PM
Replies: 18
Views: 16,673
Posted By groar
Yes, we bought the 6500°K bulbs ie "natural"...

Yes, we bought the 6500°K bulbs ie "natural" lights, while 2700°K are more "artificial" lights.

I didn't noticed the real price differences as we wanted to buy "natural" lights, but from what I...
Forum: Lighting 10-26-08, 05:13 AM
Replies: 18
Views: 16,673
Posted By groar
CFL and lumens

I bought a few CFL yesterday, for our house and my parents in law's house.

For the living room we bought a 20w (100w equiv) 6500°K CFL. It's rated at 1090 lm (lumen) while the 2700°K one is rated...
Forum: Lighting 10-06-08, 03:23 PM
Replies: 18
Views: 16,673
Posted By groar
Bought in local store. The LED are xanlite...

Bought in local store. The LED are xanlite (http://www.xanlite.com/). See ref. ALE21 in this French PDF (http://www.xanlite.fr/acceuil/PDF/Gamme_LED_A4.pdf).

About lumens, there was no more data...
Forum: Lighting 10-05-08, 04:48 PM
Replies: 18
Views: 16,673
Posted By groar
Some classic spots, let by previous owners. ...

Some classic spots, let by previous owners.

We never used them as 110w directly into the eyes are too much at any time.

Denis.
Forum: Lighting 10-05-08, 04:44 PM
Replies: 18
Views: 16,673
Posted By groar
Cfl

We are using CFL nearly everywhere. Several kind of CFL exist :

The classic CFL emit a "standard" artificial light. May be noted 2700°K on package.
The "daylight" CFL emit a light closer to...
Forum: Lighting 10-05-08, 04:30 PM
Replies: 18
Views: 16,673
Posted By groar
Led

We have a few LED in the house. They are 1.4w each. The facts are they don't light a lot (may be corresponding to a 6w bulb each) and they have a directional lightning, but they are interesting when...
Forum: Lighting 09-20-08, 04:19 PM
Replies: 18
Views: 16,673
Posted By groar
groar's lighting thread

Since years, we are replacing bulbs by CFL. A few months ago we tried a few LED. I was then curious to know how much we were saving by year.

I developed a little spread sheet, accessible here :
...
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