Anyone Own The Benq LK953ST? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 13 Old 05-15-2019, 10:34 PM - Thread Starter
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Anyone Own The Benq LK953ST (SHORT THROW)?

have been wanting to take the 4k laser plunge but needed a short throw, tried the dell s718ql ultra short throw but wasn't happy with it for many reasons so i returned it - recently purchased the benq lk953st which should arrive by the end of the week.

for the life of me i couldn't find a 4k laser short throw before i purchased the dell, it seemed that my only choices were ultra short throw or a standard distance throw (which i can't use), but i doubled my efforts when i returned the dell and came across the lk953st which, as far as i can tell, is the only 4k laser short throw available.

anyway, while i've been waiting for the lk953st to arrive i've done some additional reading and was a bit disappointed to discover that the lk953st features a 0.47 chip rather than a 0.66 chip (albeit it's the dlp470te chip as opposed to the dlp470tp), in fact i was a bit surprised given the lk953st's price point, i.e. it's not exactly an economy pj.

but after some more research i'm not at all worried about the 0.47 vs 0.66 chip, according to a projector central article i stumbled across there doesn't seem to be any real world, perceivable difference between the two, apparently it's a pj's contrast capability that wins the day in terms of perceivable sharpness - add to this, the dell ultra short throw i recently returned featured a 0.66 chip and i wasn't particularly wowed by it.

https://www.projectorcentral.com/4k-...htm?page=Intro

looking at the specs of a few benq "installation" lk models, mined from benq, projector central, and a couple of other sources, this is what i came up with.. interestingly, the texas instruments website states that the dlp470te "chipset is in a larger package (compared to the dlp470tp) which enables it to withstand the heat generated by brightness levels up to 4,000 lumens"... but according to the following projectorreview.com review of the lk953st, it actually produced more than benq's 5k stated lumens, and texas instrument's stated 4k lumens, projectorreview.com measured it at 6,100 lumens:

https://www.projectorreviews.com/ben...w-performance/




anyway, looking forward to receiving the lk953st, i'll report back with my thoughts, altho i'm a relative projector newbie.

Last edited by aeneas01; 05-17-2019 at 01:23 PM.
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post #2 of 13 Old 05-16-2019, 06:28 PM - Thread Starter
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my lk953st arrived today, absolutely dwarfs the benq ht1085st it will replace (pictured), thought i had everything ready to go once it arrived, including a long 4k hdmi run, but as it turns out i'm going to need a different mount, not sure how i didn't see that coming, so another day or so before i can play with it, alas...



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post #3 of 13 Old 05-16-2019, 10:14 PM
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Just ran across this projector as well. Interested to hear your report and pics.

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post #4 of 13 Old 05-17-2019, 08:18 AM
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I am also very interested to hear your thoughts on it, do you have any calibration equipment, I haven't seen anything about how much of the color spectrum it covers or contrast numbers. Regardless in my room I could have this mounted above and in front of the seating which would be great!
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post #5 of 13 Old 05-17-2019, 08:57 AM
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+1 to hearing thoughts! Looking to upgrade my screen size with a short throw 4k projector
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post #6 of 13 Old 05-17-2019, 09:55 AM
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Quote:
Originally Posted by mystigiandoll View Post
I am also very interested to hear your thoughts on it, do you have any calibration equipment, I haven't seen anything about how much of the color spectrum it covers or contrast numbers. Regardless in my room I could have this mounted above and in front of the seating which would be great!
As per post 1, it covers 95% of Rec709.

It certainly looks like it has great potential for home theatre use.
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post #7 of 13 Old 05-17-2019, 11:10 AM
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Quote:
Originally Posted by DunMunro View Post
As per post 1, it covers 95% of Rec709.

It certainly looks like it has great potential for home theatre use.
Ah ha, not sure how i missed that being it was right in front of my face but when I was checking specs elsewhere I assumed it did not do 3D which apparently it does!
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post #8 of 13 Old 05-17-2019, 12:30 PM
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Quote:
Originally Posted by mystigiandoll View Post
Ah ha, not sure how i missed that being it was right in front of my face but when I was checking specs elsewhere I assumed it did not do 3D which apparently it does!
Yeah was super excited to see the 3D capability as well.

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post #9 of 13 Old 05-17-2019, 01:21 PM - Thread Starter
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as mentioned above, will have to wait for the new mount to arrive before i can install / set it up correctly, but i couldn't resist at least plugging it in in an effort to get a first impression... here's what it looked like out of the box, without touching any settings, the chain is pc > vertex (hd fury) > lumagen pro > projector... so it's a shot of my in-progress ht desktop, icons expanded because of the change is rez...

altho the room looks pitch black, it really isn't, there's a little bit of ambient light and, frankly, the camera doesn't do the colors / image justice, in person it looks like a giant led flat screen, ha ha, razor sharp and vibrant.

the screen is a 145" wide (not diag) 2.39:1, carl's flexi-white, the plan is to paint it a light rejecting gray per mississippiman's alr paint formula, prob is i haven't pulled the trigger yet because i just haven't been bowled over by any light rejection screens i've seen, painted ot alr fabric, they just mess with the whites and colors too much for my taste, altho they certainly do help in ambient light.

anyway this thing is bright and colorful out of the box, haven't paid any attention to the blacks yet (altho i've never been one to hand-wring over "black floors" and the like), i'm pretty excited about dialing it in once the mount arrives and i can center it on the screen, will post shots of vids when i get a chance.

i did play with the manual horizontal and vertical shifts a bit given i've never had a pj that offered these features, both directions work very well and really open up the possibilities in terms of positioning flexibility, altho i have to say i found the dials a bit clunky/plasticy, was expecting more of a precision dial feel i guess, but the feel is far from that, and rather than stop when the max is reached, the dials can still be turned but "skip" giving you the sensation that you've stripped the thread, kinda weird... but, again, they work perfectly well and do what what they're intended to do.

i made note of the physical dimensions of the unit before i purchased it, but wasn't fully prepared for what those measurements would look like in person, it absolutely dwarfs the benq ht1085st it will replace, but it's relatively light, much lighter than the dell s718ql ust that i returned (which was built like a sherman tank), which will make the overhead install much easier.

speaking of the dell, i first thought that the ust nature of the unit would allow for easy / flexible installation, just center it close to the screen and voila, but that wasn't my experience at all, instead i found it to be very tough to position just right, it was a pain, and i also found the large size of it very distracting in front of and close to the screen, above or below (especially above)... of course this can be mitigated by a custom credenza or the like if positioned below the screen... the dell also has a blinding white, then blue, splash screen (that lasts far too long and can't be turned off or adjusted in the settings) when turning on, when switching sources, and when auto switching between hdr/sdr modes, in fact that alone became a deal breaker for me, while the onscreen menu was all but worthless in terms of setting options, i was left with the impression that the unit was definitely a presentation pj trying to be positioned as a ht pj.

i get none of that from the lk953st (even tho benq describes it, and lists it, along with their other lk models, as an "installation pj), it feels like a ht pj, especially when you start to mine through it's familiar onscreen menu options that include ht-type settings, and it does not suffer from any of the horrid splash screen issues that the dell suffers from... also, i've decided that i'm just not ready for a giant box positioned directly in front of my screen a la ust, a preference thing no doubt, much prefer the overhead install for my particular environment.

btw, benq has been great, just got off the phone with one of their tech guys who just returned from installing a few lt953st at the carnegie observatory in pasadena, said everyone loved the pj's, and were blown away by the image brightness / quality in ambient light, told me i was going to love it... asked him about rec 709 coverage and he confirmed 95%, same as the lk952 and lk970, mentioned that the lk990 was a bit lower... he also told me that the lk models were great for ht use and, i quote, "they're jvc and sony killers, everyone in the industry knows it..." ha ha... of course after hearing this i had to mention the avs forum, which he knew quite well, and tell him about the black level debates, and he laughingly admitted that the lk's probably wouldn't match jvc / sony blacks, altho the lk blacks were impressive given the technology, and that a lot more went into producing a great image than black levels, made sense to me.

anyway, will post again once it's installed.



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post #10 of 13 Old 05-17-2019, 02:23 PM
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Very Nice, THanks for the pics and the report from the installer. The projector is a little pricey for my budget so that might limit me to a painted screen as well. Although I do like Screen Innovations motorized adjustable ratio screen, just need it to come down to under $2K, maybe Black Friday deal or a coupon.

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post #11 of 13 Old 05-17-2019, 03:00 PM
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Thanks for the report aeneas01! I know one of the main contentions with the LK990 is the lockout of color options depending on settings whereas the LK970 seems to not have the same limitations, curious where this one falls.
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post #12 of 13 Old Yesterday, 04:16 AM - Thread Starter
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mounted my projector (altho i'm not happy with the mount, will change it soon) which gave me a chance to center everything and play around with some settings... below are a few pictures, 4k hdr rips, my apologies for the below average photo quality, which doesn't do the actual quality of the projected images justice, what can i say, lousy camera on my phone!

one thing i discovered while mining through the projector's settings is that you can select different color gamuts including bt.2020, dci-p3, which i found odd given the projector is rated at 95% of rec 709... whatever the case, each of these choices definitely changes the image color, dci-p3 worked best for most of the hdr vids i watched.

Quote:
Originally Posted by mystigiandoll
Thanks for the report aeneas01! I know one of the main contentions with the LK990 is the lockout of color options depending on settings whereas the LK970 seems to not have the same limitations, curious where this one falls.
i don't recall being locked out of a lot color settings, even with an hdr signal, for example, under the "picture" setting, brightness, contrast, color, tint, sharpness plus a host of advance options are unlocked when the pj receives an hdr signal.... i know that my lumagen pro locks out some settings when it receives a 4k signal, for example darbee can't be used as well as a few other settings.

anyway, this thing is a keeper, i won't be sending it back, the difference between this and my 1080p benq short throw is night and day, altho i really did thoroughly enjoy my1080p projector.... one of the things that's great about the lk953st (and other laser pjs?) is that skin tones are so much more natural compared to my 1080p, which often produced blotchy, overly ruddy looks, especially in faces... this pj also excels when it comes to live tv, including sports, so much better than my 1080p.

btw, i have a question for any of you that use an htpc... when i set windows 10 to hdr (lock it in for everything as opposed to just turning it on when i watch hdr vids), my lg oled looks absolutely fantastic but the projector's desktop (and everything but hdr vids) looks washed out.... i know this is a common prob / complaint, but i'm wondering why my oled doesn't get washed out too? i was hoping that i could fix this with my vertex and/or lumagen but no love, and when i take both out of the chain and hook my htpc directly up to the pj it's the same thing... to be clear, this isn't a pj prob, it's a prob lots of folks experience, was just wondering why the prob doesn't show up with my oled?






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post #13 of 13 Old Today, 01:40 AM
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This sounds like a very interesting projector. On the lamp based BenQ 4K projectors, that were similarly restricted to ~95% of REC709, changing the colour space changed the way that the projector remapped the source colours to Rec709.
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