Benq tk850 (No Price Talk) - Page 7 - AVS Forum | Home Theater Discussions And Reviews
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post #181 of 255 Old 12-02-2019, 03:14 PM
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The color wheel segment design and number of segments affects RBE independantly of the CW speed.
RBE is not a simple calculation of speed, the speed only gives us an idea.

There are many projectors (even older 1080p HD projectors) with 4x color wheel speeds that produce a different amount of RBE than another projector with a 4x color wheel.

For example, the older Mitsubishi hc4000 (4x CW) has way way more RBE than a Viewsonic Pro 8200 or Benq w7000/w7500.
This design issue also carried into the Mitsubishi hc7800/hc7900/hc8000, they all had the most RBE of any 4x HT color wheel, for whatever reason they had something with the design that affected RBE, even though it was still an RGBRGB 4x color wheel on all projectors being compared (and this RBE issue was confirmed by numerous reviewers - including myself who compared all these projectors).

So it's just not always as simple as only looking at the CW speed, multiple factors at play here.
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Last edited by coderguy; 12-02-2019 at 03:20 PM.
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post #182 of 255 Old 12-02-2019, 03:41 PM
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That's fine but the later .47" DMD PJs from benq are noticeably better about RBE than previous DLP models and the color wheel speed does aid in that regard
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post #183 of 255 Old 12-02-2019, 03:43 PM
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I'm just hoping I can see a review about it soon so I can decided between this and an Epson 6050.
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post #184 of 255 Old 12-02-2019, 03:45 PM
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Originally Posted by longhornsk57 View Post
That's fine but the later .47" DMD PJs from benq are noticeably better about RBE than previous DLP models and the color wheel speed does aid in that regard
The point is you cannot judge RBE purely based on color wheel speed, even though the increased color wheel speed does reduce it.

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post #185 of 255 Old 12-02-2019, 03:47 PM
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I'm just hoping I can see a review about it soon so I can decided between this and an Epson 6050.
Why the 6050?

You are nearing JVC territory in that price range, or at least B-Stock JVC.
I would spend just a little extra and go with a JVC over the Epson, at the 6050's price point the Epson no longer makes sense unless you just need the torch mode.

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post #186 of 255 Old 12-02-2019, 03:53 PM
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Originally Posted by coderguy View Post
Why the 6050?

You are nearing JVC territory in that price range, or at least B-Stock JVC.
I would spend just a little extra and go with a JVC over the Epson, at the 6050's price point the Epson no longer makes sense unless you just need the torch mode.
I've found a great deal on one, though it might still be a bit overkill for my needs. I'm swaying between assumed better blacks and contrast (6050) vs. better input lag and visibility in a room that has imperfect light control during the day (TK850). But if the reviews for the 850 come back as "Meh" then I'll bite the bullet on the 6050.
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post #187 of 255 Old 12-02-2019, 03:55 PM
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Originally Posted by IslaTurbine View Post
I've found a great deal on one, though it might still be a bit overkill for my needs. I'm swaying between assumed better blacks and contrast (6050) vs. better input lag and visibility in a room that has imperfect light control during the day (TK850). But if the reviews for the 850 come back as "Meh" then I'll bite the bullet on the 6050.
If you are worried about black levels, then we already know the TK850 is already a bit weak in this area, all DLP's are.

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post #188 of 255 Old 12-02-2019, 03:57 PM
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If you are worried about black levels, then we already know the TK850 is already a bit weak in this area, all DLP's are.
Absolutely. But the tradeoff for the better picture with light pollution might be worthwhile for me. That's why I'm anxiously awaiting the release of this thing.
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post #189 of 255 Old 12-02-2019, 04:08 PM
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The point is you cannot judge RBE purely based on color wheel speed, even though the increased color wheel speed does reduce it.
That's true, I'm not sure anyone was indicating that it was a sole cause. I have a very hard time believing someone saw RBE on the TK800M but not on the 3550.
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post #190 of 255 Old 12-02-2019, 08:15 PM
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new video from Benq

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post #191 of 255 Old 12-03-2019, 07:27 AM
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That's interesting (to me) how they specifically point out that the room space is "not big" for the 850.
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post #192 of 255 Old 12-03-2019, 12:30 PM
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Quote:
Originally Posted by IslaTurbine View Post
That's interesting (to me) how they specifically point out that the room space is "not big" for the 850.


The HT3550/TK850 are both equipped with a shorter throw lens that allows you to project a larger image with a limited throw. You don’t need a small room to enjoy them.
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post #193 of 255 Old 12-04-2019, 05:54 AM
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The HT3550/TK850 are both equipped with a shorter throw lens that allows you to project a larger image with a limited throw. You don’t need a small room to enjoy them.
Understood. I guess their video just left me with a different impression. Likely just a grammatical thing.
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post #194 of 255 Old 12-04-2019, 09:00 AM
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Quote:
Originally Posted by IslaTurbine View Post
Understood. I guess their video just left me with a different impression. Likely just a grammatical thing.
I had the same feeling -- it was not pitched correctly as a benefit. I immediately thought...uh oh I have a large room, guess this isn't for me.
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post #195 of 255 Old 12-04-2019, 09:48 AM
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Benq tk850 (No Price Talk)

I’ll send some feedback. What I think they were TRYING to do is draw attention to the short throw lens. That’s a benefit that a lot of people want and not all affordable 4K projectors in this space can offer. I think they were also trying to distinguish these short throw models from some of their home theater focused models that have a longer throw intended to be placed at the rear of the room. Right now that’s the Ht5550/Ht9060 but BenQ *might be growing their projector lineup to include more models that *might have longer throws and therefor *might be a better fit in larger rooms where you can mount the projector a little further back. With the HT3550/TK850 the projector is going to be a little closer to the screen. This means you might end up with the projector directly overhead or even a little bit in front of you (depending on your space).
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post #196 of 255 Old 12-06-2019, 04:40 PM
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If anyone want to calculate the Distance with this projector you can do it here
https://www.projectorcentral.com/BenQ-TK850.htm
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post #197 of 255 Old 12-07-2019, 04:44 PM
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Originally Posted by ClassicQ8 View Post
If anyone want to calculate the Distance with this projector you can do it here
https://www.projectorcentral.com/BenQ-TK850.htm
Thanks for posting that. It looks like 850 would sit in front of our seating area and I don't want that.
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post #198 of 255 Old 12-07-2019, 05:02 PM
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Thanks for posting that. It looks like 850 would sit in front of our seating area and I don't want that.

Yeah its different than HT3550 I don't know why they change that ! it was really good in HT3550

In my room i Do not have any problem put the projector in the center "front", but I am very sure many people will have hard times with their setup
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post #199 of 255 Old 12-07-2019, 06:33 PM
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Originally Posted by ClassicQ8 View Post
If anyone want to calculate the Distance with this projector you can do it here
https://www.projectorcentral.com/BenQ-TK850.htm
Thank you, did not even realize it was here
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post #200 of 255 Old 12-08-2019, 02:25 PM
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Originally Posted by IslaTurbine View Post
Thanks for posting that. It looks like 850 would sit in front of our seating area and I don't want that.
We have the W1700 today, but due to the light border, the noise, the high lag when shifting sources/resolution and the not-so-good performance on a 110" screen in slightly lit conditions, I've been considering to upgrade to the 850 when that gets released. However I now understand that a 850 unit needs to be moved in front of the seating area for us as well, and that is not ideal...

Is benq coming with a similar model to the 850 that will fit a larger room / longer throw?
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post #201 of 255 Old 12-08-2019, 02:45 PM
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We have the W1700 today, but due to the light border, the noise, the high lag when shifting sources/resolution and the not-so-good performance on a 110" screen in slightly lit conditions, I've been considering to upgrade to the 850 when that gets released. However I now understand that a 850 unit needs to be moved in front of the seating area for us as well, and that is not ideal...

Is benq coming with a similar model to the 850 that will fit a larger room / longer throw?
What is the range/distance that the projector can be placed at?

Benq does make a projector with a longer throw, is quiet, less light border, it's called the W5700/HT5550.

All 4K DLP XPR's have this amount of lag, more or less.


Projectors with lower lag, 4K (ish), longer throw range, silent (in Eco and maybe Medium lamp), much brighter are the Epson TW7000/HC3200, or TW7100/HC3800, and TW7400/HC4010.


Not sure what slightly lit conditions means, but projectors don't do well with ambient ambient light, and if there is too much no projector will suffice.
Using blackout blinds, dimming the lights, having lights in the seating area and not the screen area will improve things. If the projector is bright enough a grey screen could be used, or if the throw range is long enough (at least 1.8x) an ALR screen will do better.

LE: DLP's will have better motion handling, better at 3D, if this is important.

There is also the TK800M, which is brighter than the W1700, and has less of a light border, but not that silent and the lag is still there.
It also has a RGBW color wheel.
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Last edited by noob00224; 12-08-2019 at 03:12 PM.
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post #202 of 255 Old 12-09-2019, 09:32 AM
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For anyone still waiting around....my 800M has arrived and I'm thrilled. I got a refurb directly from BENQ and it had 23 hours on the bulb. I can mount it at 16' and get a 135" image. For my setup 16' is the minimum I would want...I didn't realize the 850 would only allow a max distance of 14' to get the same 135". Why such a short throw?

Anyways - I'm just going to keep trying to justify my purchase. Happy so far.
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post #203 of 255 Old 12-09-2019, 11:23 AM
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For anyone still waiting around....my 800M has arrived and I'm thrilled. I got a refurb directly from BENQ and it had 23 hours on the bulb. I can mount it at 16' and get a 135" image. For my setup 16' is the minimum I would want...I didn't realize the 850 would only allow a max distance of 14' to get the same 135". Why such a short throw?



Anyways - I'm just going to keep trying to justify my purchase. Happy so far.


The short throw is actually a feature of the Ht3550/TK850 that follows the popularity of BenQ’s prior ‘shorter’ throw models like the W1070, Ht1075, HT2050/HT3050 and now the Ht2050A. For folks like me who have small spaces it helps them to squeeze a larger screen into their space. The whole reason I ended up with a BenQ HT2050 way-back-when was because I couldn’t quite target a 100” screen with the Sony 40es/45es given my limited throw.

The TK800, with the projector practically flush against my back wall can *just target my 100” screen. With the Ht3550 I have no issue and, in fact, could go to a larger screen if I desired.

What to do if you find yourself stuck with no hope of rescue:
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post #204 of 255 Old 12-09-2019, 02:01 PM
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The short throw is actually a feature of the Ht3550/TK850 that follows the popularity of BenQ’s prior ‘shorter’ throw models like the W1070, Ht1075, HT2050/HT3050 and now the Ht2050A. For folks like me who have small spaces it helps them to squeeze a larger screen into their space. The whole reason I ended up with a BenQ HT2050 way-back-when was because I couldn’t quite target a 100” screen with the Sony 40es/45es given my limited throw.

The TK800, with the projector practically flush against my back wall can *just target my 100” screen. With the Ht3550 I have no issue and, in fact, could go to a larger screen if I desired.
Ya but it's a problem for those of us who prefer a longer throw. I hate these medium throw PJs.

Give me longer or UST
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post #205 of 255 Old 12-09-2019, 03:04 PM
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Ya but it's a problem for those of us who prefer a longer throw. I hate these medium throw PJs.

Give me longer or UST


Well the TK800M is longer. So is the HT5550. But, yes, I get that the shorter throw won’t work for everyone in every room. The issues is, when the original HT2550/TK800 debuted everyone was complaining the throws were too long!

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post #206 of 255 Old 12-09-2019, 03:28 PM
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Ya I mean it's one of those things what suits me won't suit everyone.

I'm gonna just have to modify my space to allow for this projector to fill 150" screen and see what space I need to do that.
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post #207 of 255 Old 12-10-2019, 08:32 AM
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Just a quick update: we are still on track for a December 23rd release date. I’m really hoping to get a review sample ahead of this weekend so I can blitz out some early impressions/initial review in plenty of time for the holidays. If not I’ll be squeezing in as much as I can in the evenings. I will have a full review out before the projector launches.
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I love the shorter throw distance. I wish other manufacturers would follow suit.

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post #209 of 255 Old 12-10-2019, 11:23 AM
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Ya but it's a problem for those of us who prefer a longer throw. I hate these medium throw PJs.

Give me longer or UST
The long throw TK800M should be pretty similar PQ wise to the TK850.
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post #210 of 255 Old 12-10-2019, 12:26 PM
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The long throw TK800M should be pretty similar PQ wise to the TK850.


It should be in the same ballpark but I’m expecting the TK850 to have a leg up. Especially in terms of contrast/blacks. Just the addition of the dynamic iris will make a significant impact. Also, the lens assembly/light path is credited for a great deal of the Ht3550’s advances in that area over prior 4K Models and the TK850 shares the lens assembly and chassis with the HT3550.

We’ll know soon enough.

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