Philips Brilliantline 12V Halogen Dichroic Reflector 35W $0.50 (Save $4.99) @ Masters
Philips Brilliantline 12V Halogen Dichroic Reflector 35W $0.50 (Save $4.99) @ Masters
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monty.melb on 16/05/2016 - 18:26 masters.com.au (299 clicks)
Last edited 01/06/2016 - 10:35 by 1 other user
Last edited 01/06/2016 - 10:35 by 1 other user
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Most LED ones under 7W are not bright enough.
but halogens consume more electricity
If you need an area that's bright enough to do some reading, insufficient lighting will be bad for your eyesight. Prescription glasses are expensive and your eyesight is precious.
I have both halogen and LED installed for this reason.
@EarlyBird: Why not buy 10W LED then. Or even 14W or even dimmable LED. I have 10W LEDs which are so bright that i only need one for each room. You can also choose warm or cold light. halogens are so hot that you can feel it in summer. Besides the high energy consumption, LED Lasts longer, so save your time to replace it which is also saving your money (time=money). Unless they are lying about the benefits of using LEDs.
In a word, cost. I've had to replace a number of LEDs in the past. They must have been of poor quality. Which brand of 10W and 14W ones have you got and how much did they cost?
@EarlyBird: Yeah, I know 12V mr16 type LED is expensive and because of the transformer compatibility issue you cannot just change your Halogens to LEDs. I found out that instead of changing all the Halogens, I put a floor lamp with LED (10W - 14W) in the kitchen and living area and I keep it turned on until 11pm every day (because if I turn four 35W halogens on for 0.5h, I can use that LED lamp for like 5h.). That LED is from bunnings costs about $10 as it is E27 LED bulb, it is so bright.
I have 7W Phillips led spotlights which are definitely equivalent to at least 35W. Also have 8W and 9W spotlights which are brighter.
I've a few door knockers offering to replace the halogens for free but they only offered 5W ones which aren't bright enough, so I turned them down. The higher wattage LEDs are expensive to buy. Did you pay for all your LEDs.?
@EarlyBird: Yeah, no free LED ones in WA. Bought it all. Some Philips one locally, but the rest on eBay. That was mostly a few years ago. Nowadays they are much more affordable locally. But if you need the really cool light (like I do), then you won't have much luck in local stores and have to look for a decent eBay seller with good feedback.
Don't look at wattage alone. Check for lumens. To rival 35W halogen, you'd need at least about 400 lumens. Some 5W LED ones can achieve that if they are good, especially the COB ones which use less. Most spotlights I have are not COB and have about 3 or 4 LED's in them, using 8 or 9 watts and outputting between 450 and 500 lumens. My 7W Philips retrofit ones are probably equivalent to 35W halogens.
I use many of them for a large amount of hours in a day (one is never switched off really), so halogen is an absolute no-go for me.Don't look at wattage alone. Check for lumens. To rival 35W halogen, you'd need at least about 400 lumens.
400 Lumens is just equivalent to 20W Halogen, let alone 35W.
My 7W Philips retrofit ones are probably equivalent to 35W halogens.
Probably… NOT.
A reasonable 12V halogen lamp is around about 20 Lumens per Watt.
A good 35W Halogen (eg: Osram IRC) is outputting up near 1000 Lumens.
this deal is 35w 460lm :)
The Brilliantline is Philips low-priced "supermarket cheapy", so it's hardly cutting edge in the performance stakes.
Philips rate the 35W 60D at 500 (not 430) Lumens "within 90 degree cone".
This is so called "useful Lumens" in line with the European standards. The total lumens is higher, but all halogens and LEDs sold into Europe are supposed to be rated the same way, so it makes comparison fairer.
In this case I was referring to total lumens, since that's what the LEDs will inevitably be quoting.
Also be aware that almost all LED suppliers lie about the lumens (overstated) AND the wattage (understated). There are interesting reports done by the US Department of Energy regarding this, and even after 110 years testing they still haven't found a MR16 LED that can match the output of a 50W halogen.
I bought 6.5W LED globes from Aldi and they definitely exceed the brightness of 35W globes and the aged 50W globes we still had throughout the house. I can't remember exactly how much I paid for them, but it worked out to be only a year or so pay back period
They are in fact that bright I've been told the ones in the main living area need to be replaced with dimmable LED fittings!
You'd have to pay me to take a halogen downlight these days. I paid about $5 a globe for the Aldi LED ones and the payback period is under a year…
You must have bought them at a discount. The last time I saw them on sale they were over $10 per bulb. Anyway, it's good to know that they're sufficiently bright.
I bought 6.5W LED globes from Aldi and they definitely exceed the brightness of 35W globes
How did you measure this?
and the aged 50W globes we still had throughout the house.
There is no way that a 6.5W LED bulb is able to exceed the brightness of a 50W or even 35W halogen.
They are in fact that bright I've been told the ones in the main living area need to be replaced with dimmable LED fittings!
Unless ALDI have invented new technology and sell it a token amount there is no way this can occur. You can easily confirm this by looking at the Osram or Philips specifications or taking a look at the CREE datasheets.
It was the ones in a pack of 4. Original price I think may have been $40, got them for $20.
That said I have since seen LED pricing as a whole go down, so the next time Aldi sells them they will undoubtedly be cheaper than $40 per 4.
Side by side the LED ones are noticeably brighter to the naked eye. No I am not going to go out and spend a fortune on a scientific instrument to satisfy a nay-sayer. I was sceptical that such a cheap LED globe could put out enough light but it does and that's all I care about. Keep using your halogens and wasting money for all I care.
Also I've always found that halogens (like many other light globes) have a decaying light output. Even in the past I have seen new replacement 35W globes put out more light than aged 50W globes.
Side by side the LED ones are noticeably brighter to the naked eye.
Except they're not.
No I am not going to go out and spend a fortune on a scientific instrument to satisfy a nay-sayer.
Measuring light output is easy and costs under $15.
Keep using your halogens and wasting money for all I care.
I don't use halogen and I don't pay for electricity.
There is no way that a 6.5W LED bulb is able to exceed the brightness of a 50W or even 35W halogen.
Side by side the LED ones are noticeably brighter to the naked eye
Don't confuse "Brightness" with "Light Output" - they are quite different metrics.
The energy consumption is so high, you'd earn back the difference in purchase price within months.
Only if you ran them 24/7.
Purchase price is $0 in Victoria, so it doesn't matter how much you run them.
Not true. I bought decent ones for $5 or less. ~667 hours is all it takes, which is less than 4 hours a day for half a year. And the LED one will last much longer too.
Which ones?
@pmupsinep: various. Some epistar based, some cree. Most from eBay (international sellers). If you look for reputable sellers where the item itself (rather than the seller alone) gets a lot of good reviews, it is possible to get decent ones for less than $5. But nowadays they are almost as cheap locally. I have seen good specials at Bunnings, and Coles has GU10 spotlights at half price at the moment (see http://shop.coles.com.au/online/national/mirabella-led-globe…). I would buy from a local shop if the price difference is only a few dollars, just in case. I have had some less good ones from eBay, which did not last as well. But overall I'm still way ahead in savings.
I have also bought Philips "retrofit" ones, which can be bought for about $15. One of my light fittings will not accept anything else (fitting was advertised as LED compatible, but wasn't really; that's where the retrofits come in). Problem is that locally bought ones don't go above 4000K, so if you want the really cool light, you have to buy from eBay sellers.
Not true. I bought decent ones for $5 or less. ~667 hours is all it takes, which is less than 4 hours a day for half a year. And the LED one will last much longer too.
So this mythical $5 ebay bulb will outlast a 4000+ hour halogen? LOL.
I have seen good specials at Bunnings, and Coles has GU10 spotlights at half price at the moment (see http://shop.coles.com.au/online/national/mirabella-led-globe…).
Do you realise that a GU10 is not compatible with a 12V Halogen and an electrician is required to convert and GU10 fittings are lower power and have other issues. Why do you keep referring to downlights as spotlights?
Problem is that locally bought ones don't go above 4000K, so if you want the really cool light, you have to buy from eBay sellers.
Why would you want to go about 4000K in the home? All credibility you may have had has been lost. You might be happy with dim blue tinged lighting in your house but please don't go recommending this rubbish to others.
@Maverick-au: my wife requires pure white light for art work. Credible enough? 4000K is still yellowish and makes it difficult to get colours right.
@Maverick-au: so far so good. About 12000 hours so far and counting. Rated at 50,000, but that might be stretching it.
Problem is that locally bought ones don't go above 4000K
http://www.bunnings.com.au/luce-bella-5-5w-daylight-dimmable…? :)
The energy consumption is so high, you'd earn back the difference in purchase price within months.
An equivalent in a LED would be around 10W so you're looking at around 25W savings per hour for lights that are likely used for a few hours each day. It doesn't take a lighting engineer to work out that the payback time is many many years. Even at four hours per day it's 25W x 4 bulbs which is 100W or 400W per day or over a year 146kW which at 25c a kWh is $36.50.
With LED spotlights being so cheap nowadays, who would buy halogens anymore?
You mean downlight not spotlight but there are many reasons why people buy halogens bulbs still.
-Compatibility with dimmers, many combinations of dimmers and transformers do not work well with LEDs. To rectify this requires you to spend hundreds of dollars calling in an electrician and hundreds of dollars more in parts (dimmers and transformers).
-Compatibility with transformers, again calling in an electrician and hundreds of dollars on replacement transformers.
-Light critical applications where the quality of the light is essential.
-Reliability, halogens are often much more reliable and still work even with 20 year old iron core transformers.
-Cost of installation, downlight LEDs with integrated transformers require installation by an electrician and this can end up costing thousands for the average home.It doesn't take a lighting engineer to work out that the payback time is many many years.
Your calculation is correct, but not sure about your conclusion. $36.50 easily pays for the LED bulbs.
You are right that some transformers don't play nice. I had to buy Philips retrofit ones for one light which takes 4 bulbs, but have by now earned back that investment ($15 each). Those retrofit ones work in many old transformers. They have a rated lifespan of 40,000 hours.
Halogen = LED light + radiation heater. What do you want more for 50 cents?
In my kitchen and living area, I have twelve 12V downlight. So I do not replace them with LEDs because it is expensive and complicated (because of transformers). I bought a good looking floor lamp with a 14W LED (E27) bulb, and because it is a floor lamp the whole room is so bright (I need to put a good looking paper cover to make it not too bright). I may need to use four Halogens for cooking (0.5h a day). From 5pm to 11pm (winter now, so I need to turn on the light at about 5pm), most of the time I stay in living area (cooking, eating, watching TV (with family), using laptop.). Without the floor lamp, We have to turn four 12V Halogens on all the time, sometimes eight Halogens. (35W x 4 x 6h) v.s. (14W x 6h). I am not saying it can save much, but after one year the floor lamp and bulb is free.
It is better to find another way to solve the problem.I posted a deal for GU10 CFL and Halogen 12V for 50c each in Gold Coast but it has been removed.
With LED spotlights being so cheap nowadays, who would buy halogens anymore?
The energy consumption is so high, you'd earn back the difference in purchase price within months.