Vivitek HK2288 - Real 4K DLP home theater projector - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 69 Old 01-04-2017, 10:28 AM - Thread Starter
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Vivitek HK2288 - Real 4K DLP home theater projector

Saw some press releases for this today. uses 3840x2160 chips, not the pixel shifting faux-k ones. No price released yet, so I can put the thread in the <$3,000 forum

https://www.thestreet.com/story/1394...-ces-2017.html

2,000 lumens. You know what that means.....RGBRGB wheel. Otherwise the stated lumens would be 3200-3500. Take it to the bank.
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post #2 of 69 Old 01-04-2017, 10:49 AM
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sadly anything 4k project is likely 4-5 k
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post #3 of 69 Old 01-04-2017, 12:07 PM
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Originally Posted by Neceo View Post
sadly anything 4k project is likely 4-5 k
If there's a 4K PJ that costs 4-5K, that's not a sad news.
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post #4 of 69 Old 01-04-2017, 12:09 PM
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Originally Posted by GekkoSoze View Post
If there's a 4K PJ that costs 4-5K, that's not a sad news.
Being optomistic, it likely can be but likely more. Just saw it does HDR so it will likely be more. The Benq non HDR might be if we are lucky 5k
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post #5 of 69 Old 01-04-2017, 03:09 PM
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Quote:
Originally Posted by southpaw85 View Post
Saw some press releases for this today. uses 3840x2160 chips, not the pixel shifting faux-k ones. No price released yet, so I can put the thread in the <$3,000 forum

https://www.thestreet.com/story/1394...-ces-2017.html

2,000 lumens. You know what that means.....RGBRGB wheel. Otherwise the stated lumens would be 3200-3500. Take it to the bank.
Where does it say it uses a 4K dmd?
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post #6 of 69 Old 01-04-2017, 03:31 PM - Thread Starter
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Did you read the article in my link?
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post #7 of 69 Old 01-04-2017, 05:19 PM
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Hard to believe that TI is producing a true 4K dlp chip without us hearing about it in advance. Something must be wrong with this announcement. Is there a true 4K chip available from TI for commercial theaters that might have been adopted by Vivitek?

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post #8 of 69 Old 01-04-2017, 05:29 PM
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Good news guys they got back to me and told me their aggressive MSRP pricing.

And of course this is an XPR projector.
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post #9 of 69 Old 01-04-2017, 06:11 PM
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Too bad the UST model seems business oriented.
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post #10 of 69 Old 01-04-2017, 06:50 PM
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Quote:
Originally Posted by southpaw85 View Post
Did you read the article in my link?
Yes, it says 4K resolution. Nowhere 4K dmd or the dmd part number.

So I ask again?
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post #11 of 69 Old 01-04-2017, 08:02 PM - Thread Starter
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Originally Posted by Verge2 View Post
Yes, it says 4K resolution. Nowhere 4K dmd or the dmd part number.

So I ask again?
You do know what dmd means right? Digital micromirror device, aka DLP. It specifically identifies this in the article I posted that you claimed to have read:
"Additional features of the HK2288 include: DLP ® DarkChip3™ and BrilliantColor™ technologies for optimal black levels and vibrant color images"

Now the 4k part:
"Additional features of the HK2288 include:
Real Ultra HD 4K (3,840 x 2,160) resolution with a projected image size up to 327" (diagonal)"


If you're nitpicking the 3,840 x 2,160 as not being 4k because it's not 4196 x 2160, then you're being childish, because you know that 3,840 x 2160 is what all 4k projectors will be because that is the 16:9 dimensions and exactly quadruple of 1080p. Further, you know the terms are used interchangeably. I'll give you the benefit of the doubt that you're not being a dick on purpose, though.

Also, feel free to search google for this projector model if you'd like more info.

Lastly, press releases are for media distribution and I wouldn't expect them to list technical part numbers and don't know why you would either.

Hope this answers your questions.

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post #12 of 69 Old 01-04-2017, 08:12 PM
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Quote:
Originally Posted by Verge2 View Post
Yes, it says 4K resolution. Nowhere 4K dmd or the dmd part number.

So I ask again?
It isn't full 4k. The DMD is a 4 million pixel chip and there is another mirror that flips every cycle to produce the 8 million pixels needed for 4k UHD. More Faux-K
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post #13 of 69 Old 01-05-2017, 03:35 AM
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I want to say side-by-side testing showed DLP wobulation "4K" can match the resolution clarity of Sony native 4K LCoS, and beats the fauxK LCoS display clarity.
There was an earlier article comparing the earlier 2016 wobulation-"4K" concept unit and one of the Sony's.

I'm curious what good HighDynamicRange will do for a ~2000:1 contrast display that's very likely 8bit with a standard 709gamut.
I don't think wobulation allows 10-12bit, and that lamp-life plus 2000lm spec means extended gamut is pretty unlikely.

IF the clarity is there, that will be cool for those who like to watch close/large though.

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post #14 of 69 Old 01-05-2017, 04:24 AM
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Quote:
Originally Posted by southpaw85 View Post
You do know what dmd means right? Digital micromirror device, aka DLP. It specifically identifies this in the article I posted that you claimed to have read:
"Additional features of the HK2288 include: DLP ® DarkChip3™ and BrilliantColor™ technologies for optimal black levels and vibrant color images"

Now the 4k part:
"Additional features of the HK2288 include:
Real Ultra HD 4K (3,840 x 2,160) resolution with a projected image size up to 327" (diagonal)"


If you're nitpicking the 3,840 x 2,160 as not being 4k because it's not 4196 x 2160, then you're being childish, because you know that 3,840 x 2160 is what all 4k projectors will be because that is the 16:9 dimensions and exactly quadruple of 1080p. Further, you know the terms are used interchangeably. I'll give you the benefit of the doubt that you're not being a dick on purpose, though.

Also, feel free to search google for this projector model if you'd like more info.

Lastly, press releases are for media distribution and I wouldn't expect them to list technical part numbers and don't know why you would either.

Hope this answers your questions.
1 I do know what that means and TI identifies them with chipset numbers. If this is a new 4K chipset, it would be in the press release.

2 others at saying it's wobulation, so I'm trying to figure out where you assumed this information that it's a full 4K DMD. Something you won't answer.
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post #15 of 69 Old 01-05-2017, 08:54 AM
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Quote:
Originally Posted by southpaw85 View Post
You do know what dmd means right? Digital micromirror device, aka DLP. It specifically identifies this in the article I posted that you claimed to have read:
"Additional features of the HK2288 include: DLP ® DarkChip3™ and BrilliantColor™ technologies for optimal black levels and vibrant color images"

Now the 4k part:
"Additional features of the HK2288 include:
Real Ultra HD 4K (3,840 x 2,160) resolution with a projected image size up to 327" (diagonal)"


If you're nitpicking the 3,840 x 2,160 as not being 4k because it's not 4196 x 2160, then you're being childish, because you know that 3,840 x 2160 is what all 4k projectors will be because that is the 16:9 dimensions and exactly quadruple of 1080p. Further, you know the terms are used interchangeably. I'll give you the benefit of the doubt that you're not being a dick on purpose, though.

Also, feel free to search google for this projector model if you'd like more info.

Lastly, press releases are for media distribution and I wouldn't expect them to list technical part numbers and don't know why you would either.

Hope this answers your questions.
I've been following and posting on this forum since the early days and it always frosts me when I read condescending posts like this. I hope you don't run your life this way.

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post #16 of 69 Old 01-05-2017, 09:08 AM - Thread Starter
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Originally Posted by JackB View Post
I've been following and posting on this forum since the early days and it always frosts me when I read condescending posts like this. I hope you don't run your life this way.
You're right. I suppose I was unnecessarily grumpy last night when I posted. Not sure why. I owe Verge an apology though. Sorry @Verge2 .


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post #17 of 69 Old 01-06-2017, 12:26 PM
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What is all the fuss about. TI announced the 4k chip last year at CES and said it would allow cheap projectors in 2016, but that didn't happen due to engineering issues. Those cheap projectors are now appearing in 2017.

Here is the chip and video. It's quite real: http://www.ti.com/general/docs/video...=5089290448001
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post #18 of 69 Old 01-06-2017, 12:55 PM
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Just to be clear, I'm not sure if this particular model is using wobulation or a native 4K. I suspect wobulation because of the price, but I haven't read or seen anything that claims either way.

Easy $25 DIY black (or any color) ALR paint +$40-$50sprayer screen mix smooth/clean and very easy to learn spraying with little/no mess.
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Quick <$250 dedicated black-fabric theater room "A store that sells blinds can help your picture more than a store that sells projectors many times." -bud16415
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post #19 of 69 Old 01-06-2017, 04:25 PM
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I believe that "REAL 4K" for this projector will prove to be marketing speak for pixel shifted 4,150,000 pixel DMDs. TI's current real 4K chips are 1.35" DMDs for cinema use.
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post #20 of 69 Old 01-06-2017, 05:29 PM
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The people in the Epson 5040/6040 forums (and reviewers) are raving about the image on these PJs and they only do 4 million pixels (1080p x2). I'm sure the tech is up to snuff to give even better results with this PJ and they cost the same.

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post #21 of 69 Old 01-06-2017, 08:09 PM
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Originally Posted by Troy LaMont View Post
The people in the Epson 5040/6040 forums (and reviewers) are raving about the image on these PJs and they only do 4 million pixels (1080p x2). I'm sure the tech is up to snuff to give even better results with this PJ and they cost the same.
It's a complete package and not simply how many pixels a projector can pack.
Knowing DLP's reputation for contrast, it may or may not bring that punch just on single strength.
If it does get all things right, it will be good to bring the 4k prices down.
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post #22 of 69 Old 01-07-2017, 03:38 AM
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Originally Posted by Troy LaMont View Post
The people in the Epson 5040/6040 forums (and reviewers) are raving about the image on these PJs and they only do 4 million pixels (1080p x2). I'm sure the tech is up to snuff to give even better results with this PJ and they cost the same.
The comparison photos I've seen aren't even close.

If you bought a 5040 thinking you'd be anything close to a 4K picture, you're prolly pissed now.
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post #23 of 69 Old 01-07-2017, 06:47 AM
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Originally Posted by Verge2 View Post
The comparison photos I've seen aren't even close.

If you bought a 5040 thinking you'd be anything close to a 4K picture, you're prolly pissed now.
No. You are wrong..
Except for HDR performance (which is again debatable in not just Epson but all other PJs) no one is complaining about 5040/6040
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post #24 of 69 Old 01-07-2017, 12:40 PM
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Originally Posted by Verge2 View Post
The comparison photos I've seen aren't even close.

If you bought a 5040 thinking you'd be anything close to a 4K picture, you're prolly pissed now.
I didn't buy one but I can't knock the opinions of the collective and all the reviews I've read. And you can't personally draw a conclusion just from photos, I'd take the views of the owners vs your photo opinion any day.
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Originally Posted by 3DBob View Post
What is all the fuss about. TI announced the 4k chip last year at CES and said it would allow cheap projectors in 2016, but that didn't happen due to engineering issues. Those cheap projectors are now appearing in 2017.

Here is the chip and video. It's quite real: http://www.ti.com/general/docs/video...=5089290448001
I'm fairly convinced that DLP-based Faux-K (4M x2) such as this one can indeed result in similar final sharpness to that of a true 4K (8 million pixel) imager.

And ANSI contrast is indeed equally important if not more so than on/off, although I believe both are super important. I see HDR actually benefitting DLP more (relatively speaking) than other tech which has better black levels, since boosting peak levels are an equally valid way to increase dynamic range.

I'm definitely curious about these 4K DLPs now, but want to read some hard and honest full reviews before making any final decision.
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post #26 of 69 Old 04-29-2017, 01:03 PM
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Smile

According to this announcement, the Vivitek HK2288 will be 3990 euros in Italy in May.

http://www.startlr.com/the-ultra-hd-...-italy-in-may/


http://www.bitfeed.co/page/the-proje...n-italy-in-may

So it isn't less than $3000, but it is close and is dramatically less than the prices of 2016's 4K projectors.

Scott

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post #27 of 69 Old 04-29-2017, 05:41 PM
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Spizz, in the CES 2017 forum, posted this video about the Vivitek HK2288


Scott
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post #28 of 69 Old 04-30-2017, 12:54 PM
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ProjectorPeople has this nice graphic, (c) Carlton Bale, showing the impact of resolution. In my case, I am 14 feet away from a 108-inch diagonal screen.

Although I am excited about 4K, and the HK2288 in particular, based on this I'll want to see it at my proportional distance before upgrading from my existing Panasonic PT-AE8000U (1080p; LCD, 3-chip).

I've had DLP systems since 1998 (starting with a Sharp Notevision 7), but my last DLP died 2 years ago and I went with the 8000 just because. But I'm eager to get back to a DLP based system since I prefer their clarity.

Does anyone have hands-on experience with a HK2288 yet?

Scott
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post #29 of 69 Old 04-30-2017, 07:21 PM
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Cool chart... I sit right exactly on the purple line for full 4K benefit. Now I have undisputed scientific reason to upgrade when the time comes
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post #30 of 69 Old 05-03-2017, 01:09 PM
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Quote:
Originally Posted by RLBURNSIDE View Post
I'm fairly convinced that DLP-based Faux-K (4M x2) such as this one can indeed result in similar final sharpness to that of a true 4K (8 million pixel) imager.

And ANSI contrast is indeed equally important if not more so than on/off, although I believe both are super important. I see HDR actually benefitting DLP more (relatively speaking) than other tech which has better black levels, since boosting peak levels are an equally valid way to increase dynamic range.

I'm definitely curious about these 4K DLPs now, but want to read some hard and honest full reviews before making any final decision.
And as I've pointed out in other threads, the CTA which develops standards for things such as 4K defines DLP 4k XPR as true 4K UHD (not faux K) , due to the 8M pixels- just as many as a native 4k projector. The big difference between DLP 4k and epson/jvc is that Epson/jvc start with a much lower native resolution and hence only generate half as many (4M) active pixels as a result.

This is why CTA, PMA, etc considers DLP 4k projectors like the Vivitek HK2288 4k UHD, but will not consider JVC/Epson due to their pixel deficiency.
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