*Official* Epson PowerLite Home Cinema 1080 *UB* - Page 106 - AVS Forum
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post #3151 of 3169 Old 07-16-2013, 11:55 PM
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Yes, great info on HCG. That helps me with my screen search.

186" diagonal? That is absolutely massive! I didn't know the Epson could go that large. How far back do you sit?
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post #3152 of 3169 Old 07-17-2013, 02:38 AM
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186" eh? That is a lot of real-estate. (jealous)

That should allay anyone's fears about the projector being too dim for a reasonable size screen.

So, did your lady give you the "it's too big" argument? I've heard that one before, and it's never turned out to be true. LOL
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post #3153 of 3169 Old 07-17-2013, 07:02 AM
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Ha no she marveled at the size wink.gif

When she saw that, she understood why it was such a massive upgrade over our 63" rear projection SD Sony. And then apologized for being so stubborn for a year cool.gif

The projector is mounted about 16 3/4' from the wall. I sit about 13' from the wall.

I re-did some calculations: It's about 166" diagonal. Oops!
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post #3154 of 3169 Old 07-18-2013, 06:38 PM
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Just for fun, I've been playing with some numbers.

  • Sitting 13 feet from a 166 inch screen (144x82 inches) means you have a 50 Degree FOV.

This means you're within the THX recommended 8.6 to 18.6 feet ( 70 - 35 degrees FOV respectively )

  • Projecting on the wall, I gave you a screen reflectivity of 1.0 - On High (1600 lumens) screen illumination is almost 20 foot-lamberts.

Professional theater projectionists claim this illumination is at the top of ideal, but for a dark room.



I on the other hand, could definitely benefit from more size, but because I'm smaller (LOL) I can run the lamp in economy mode and still have good brightness.

  • A single row of seating is 9 feet from a 96 inch screen (84x47 inches) which is a 42 Degree FOV.

I too am within the recommended THX FOVs, but would rather be on the higher side than where I am.

  • Projecting on my HCG screen (I used 0.8 for reflectivity) - On Low (~1000 Lumens) illumination is over 29 foot-lamberts.

This is actually too bright according to most professionals. It causes retinal retention, confusion and eye strain in a dark room. However that's probably why I like it when I have some room light on, which is at least half of my viewing.



Just thought it might help others to appreciate the numbers and to get a sense of what they might be able to do with their setups.

Incidentally, I have the original 1080 (1200 lumen) projector, not the 1080UB (1600 lumen) unit most of you have. This is taken into account in the numbers above. (Credit to my calculator and then to carltonbale.com's Excel spreadsheet - when I realized there was an easier way!)
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post #3155 of 3169 Old 07-19-2013, 06:21 AM
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wow that's pretty cool! I'm running the low brightness setting. Can you calculate the foot-lamberts for that? I'm curious to know if it's too dark, tho I don't think it is!
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post #3156 of 3169 Old 07-19-2013, 11:59 AM
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The manual for our projectors doesn't specify the light output for the Low setting. In my case I used 1000/1200 so for you I used 1400/1600.

It came out to 17.1 foot-lamberts at 1400 lumens.

Professional theatrical projectionists have told me their ideal was 14 for a darkened theater. However, mister Bale has it noted that numbers below 16 would be too low. There is considerable latitude in this judgement, as some opinions and standards were evolved for film and others for video.

You are still above the minimums and below the maximums for a theater setting, but too low for a conference room setting. (as am I)
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post #3157 of 3169 Old 07-19-2013, 09:07 PM
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cool thanks!
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post #3158 of 3169 Old 07-24-2013, 10:43 AM
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Thanks for the post regarding replacement lamp modules - I would have been very hesitant without the reviews of you folks. FYI - right now they are at $57 + shipping. Great deal. I will pick up another as a spare. I tend to go through them quickly - using the projector for all viewing including gaming equates to 2000+ hrs a year between my wife and I.
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post #3159 of 3169 Old 08-17-2013, 02:22 PM
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Y'all, I have read some of the post that explain troubleshooting for my exact problem with my 1080UB. Fire her up and the fan comes on high with no lamp and a blinking warning light. The filter has been cleaned and any dust left over blown out. ordered a new lamp to keep on hand. When I installed the new lamp, to make sure it worked, I noticed all the small cracks on the existing lamp, see pics. I know it looks like dust but they are cracks and I am assuming it's typical with the heat on the glass but wanted to know if anyone that has actually had a lamp die noticed this on the glass. I have 1600 hours on the lamp, it is ceiling mounted, and runs on low all the time because it is in a light controlled room.

The lamp I pulled is still giving me the high fan and blinking light issue but randomly, can not figure out how to get it to do it on command. I am going to leave the old lamp in it until it goes but wanted to know.

Thanks for any wisdom or troubleshooting ideas.

Epson Powerlite Home 1080UB Lamp
Epson Powerlite Home 1080UB Lamp
Epson Powerlite Home 1080UB Lamp
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post #3160 of 3169 Old 08-18-2013, 12:03 PM
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well crap. have bout 2200 hours and got the flashing red light. changed to my spare bulb and the same deal.... the search for a fix begins or the search for a new projector
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post #3161 of 3169 Old 10-21-2013, 08:52 PM
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Quote:
Originally Posted by Carlp336 View Post

well crap. have bout 2200 hours and got the flashing red light. changed to my spare bulb and the same deal.... the search for a fix begins or the search for a new projector

I have the same issue and it is very sporadic. I thought it was a problem with my bulb at first which had to be replaced anyways. After replacement bulb installed I had same issue. I have always been successful getting by this nuisance by turning the projector off using the rocker switch. Wait a couple seconds turn pj back on and no more high fan speed or blinking red light. Works every time for me. I'm worried it will eventually give out so I'm likley going to buy the new 5030ub.
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post #3162 of 3169 Old 10-21-2013, 10:10 PM
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Quote:
Originally Posted by scottwin View Post

... I have always been successful getting by this nuisance by turning the projector off using the rocker switch. Wait a couple seconds turn pj back on and no more high fan speed or blinking red light. Works every time for me...
Thanks for the helpful hint. I'll remember it for when the time comes.
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post #3163 of 3169 Old 03-31-2014, 06:12 PM
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Getting ready to sell my 1080Ub (tw-2000 here in australia). Cost me $4200 new, thinking of asking $1500.  Works like new, 1400 hours on second bulb, but my first one lasted 2800 hours. What do you peeps think of that as asking price?

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post #3164 of 3169 Old 04-02-2014, 08:24 AM
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Don't know what the going rate is but that sounds high considering there are low end 1080p projectors that are available today for that and less. Plus those new units are backed by a warranty.

I sold my 1080UB for $800 a couple of years ago. Even then it was hard to get that much.

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post #3165 of 3169 Old 04-02-2014, 10:50 AM
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I see one posting on eBay for $750 with 0 bids, 5 days left. Buy it Now for $1,000. Might be worth seeing if anyone bids on it in a few days...
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post #3166 of 3169 Old 04-02-2014, 02:52 PM
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Quote:Toknowshita
 Don't know what the going rate is but that sounds high considering there are low end 1080p projectors that are available today for that and less. Plus those new units are backed by a warranty.


I know what you mean, Toknowshita.  I did consider that, but was reasoning behind picture quality.  Many of the low end projectors don't have the contrast ratio that mine does and my recent demo of the Epson Tw6100 ( a  projector 6 years newer than mine and nearly as expensive as mine was new) had a less impressive picture.  Admittedly the 6100 hadn't been calibrated, but what I'm saying is that most new ones under $1500 don't seem to have the picture quality of the TW-2000.  But I guess I will have to take less for it, but I thought $1500 gives people some haggle room.  Might have to place the next ad at a lower price.

 

Thanks for that info Lord_Zath.

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post #3167 of 3169 Old 06-15-2014, 10:31 PM
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Quote:
Originally Posted by leiff View Post
Should I buy Replacement Lamp ELPLP39 for $52 at mwave.com:
http://www.mwave.com/mwave/SKUSearch...9#.Ua3PK0DKEaM

or
epson bulb for $191 at: http://www.projectorlampsource.com/e...80ub_lamp.html
My bulb just went out! Lasted only 2.5 years and less than 2000 hours. I guess the warmer temperature in Florida is the cause! This was my second bulb to go out. I don't want to spend the high amount for the Epson bulb again.

I searched amazon and got the following hit. Went ahead and ordered it. Hopefully it works!
http://www.amazon.com/gp/product/B00...uct_refresh_T1
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post #3168 of 3169 Old 06-20-2014, 07:44 AM
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I wanted to follow up on my previous post. I got the knock-off bulb from amazon and it works great. I have had it for two days and the picture is just as bright. Hopefully it lasts. My previous Epson OEM bulb only lasted 1580 hours in 2.5 years. Yikes.
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post #3169 of 3169 Old 06-22-2014, 02:21 PM
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Hey guys/girls,

Sorry I couldn't find an option to search within this thread...I'm looking at this unit, although I'm concerned about the motion blur (if any) during sports or fast moving movie....does this projector have any such issues? Thanks!
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