Customer Review

28 of 38 people found the following review helpful
3.0 out of 5 stars Seems like an alright device, just beware two things, 15 Mar. 2010
This review is from: Acer K10 LED Projector 20000 Hour Lamp Life 2000:1 Contrast Up To 60" Projection (Electronics)
The spec looks fine for the price - resolution and contrast wise, etc, and it's certainly small and light - and if all goes well you'll make savings in excess of the purchase price on bulbs and electricity vs more conventional projectors; however!

1/ 100 lumens is quite dim. It's less than a third of the subjective brightness of a comparitive halogen lamp model (1500-2500 lumen). You'll definitely have to use this in a darkened room, and even then it might not seem particularly bright until your eyes adapt quite a lot.

2/ If the lightsource blows out, that's it. Normal bulbs are explicitly consumable items and typically come in quick-swap carriers that need less than a minute to change. Here, it's sealed-for-life. If/when it goes (and it might be long before the stated time, as this is still a bit experimental), it's either professional repair time or buying a whole new projector, which could nullify any saving and leave you without picture for quite a while.
(Still, if it does run for even half the stated time, it's still worth it!)

The question that can't be answered until someone actually buys and reviews one properly is what the picture quality is like besides the brightness...
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Showing 1-2 of 2 posts in this discussion
Initial post: 4 Aug 2011 10:43:17 BDT
Gadget Fan says:
Good point on the bulb, although it's worth noting that the life of these things is exceptionally long. Generally around 20,000 hours (vs 3000 on some standard bulbs), so if you used it for 10 hours every day it would last over 5 years. Given that most people would not use this anywhere near that it would probably be still going 15 years on. The point about if it the bulb blew prematurely is a good one, but LEDs are hardly experimental, and in my experience exceptionally reliable.

In reply to an earlier post on 13 Dec 2014 11:13:13 GMT
Last edited by the author on 13 Dec 2014 11:15:33 GMT
I have however had LED replacement lightbulbs that have blown out in a matter of a hundred hours of use or less, and others in a bare few months similar to a boggo incandescent, so they're not infalliable. It's just an expected lifespan, and it doesn't seem like the guaranteed lifetime thing has been quite cracked yet. Most everyday LEDs do run on basically forever, but they're not as high-intensity as the ones used here or in energy saver bulbs... the "light that burns twice as bright" adage comes to mind.

Another thing I forgot is that LEDs tend to lose brightness as they age, which isn't the best thing when you're already starting out from a point of having relatively low output.

Has anyone "in the wild" owned an LED projector long enough yet to properly test out these claims? Because it's all well and good saying it if you're confident none of your customers will use the thing enough within the warranty period to find out that you're BSing. We actually have some Canon Laser-LED ones at work (permanently installed in presentation rooms), which I've since been warned may become surprisingly dim only halfway through their supposed 10,000 hour life, but we're only up to about 1000-1500 hours on the most heavily used one so far so it's impossible to rate it either way other than saying it's successfully managed maybe 15% of it's claimed lifespan.

If the light module was easily replaceable, like the bulb it's equivalent to, or even if it was something that could be swapped out as a service item after opening the main case, I wouldn't be anywhere near so wary. It's the fact of it being something that should be replaceable that's actually permanently installed that makes me wary... especially having had problems with several "filter-less" (i.e. permanently installed non-replaceable filter...) projectors where they've become clogged up with dust. It's a false convenience that causes more trouble than it supposedly avoids.
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