Official JVC RS3000/NX9 - JVC RS2000/NX7/N7 - JVC RS1000/NX5/N5 - Owners Thread - Page 87 - AVS Forum | Home Theater Discussions And Reviews
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post #2581 of 28686 Old 01-21-2019, 05:00 AM
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Quote:
Originally Posted by Jim Cutter View Post
So I've been reading a lot where people have been pointing out the benefits letting the Panasonic UB820 and UB9000 do the tone mapping but also allowing the JVC to tone map for the best signal. Is it better to just let the JVC to do all of the tone mapping, the UB820 or both? Any thoughts?
Man this question just keeps coming up.

Tone map should take HDR as input and the output should be tone mapped SDR for your device's capabilities. That means the HDR meta should be stripped away at that point. So the answer is it's either the UB820 *or* the JVC never both.

The UB9000 discussion on that new firmware was different. The UB9000 has a mode that works with the JVC tone mapping by taking the input HDR and outputting HDR that contains the necessary meta so the JVC can properly tone map it. It's possible the UB9000 will also have tone mapping, in which case if you use it, you should get an SDR tone mapped from HDR and the JVC will not recognize it as an HDR stream.
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post #2582 of 28686 Old 01-21-2019, 05:35 AM
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Originally Posted by cogdok View Post
Thanks, and you use the Spyder software plus test patterns with the meter pointed at the screen for adjusting brightness/contrast?
Use the datacolor software with the spyder 5 pointing at the screen to set luminance level. Don't adjust brightness and contrast. With a projector you adjust the manual iris and lamp setting instead. The datacolor software generates the test patterns and then you adjust the manual iris to get 55 nits for SDR (low lamp with Iris at -11 for example). For HDR you can do the same and target 170 nits but you will probably max out at a lower number (high lamp at iris 0 might give 150 nits for example). This indicates you will need to adjust the auto tone mapping slider because your maximum luminance is below 170. These are the actual numbers I get from the NX7 with my screen (110 inch diagonal 2.4 scope screen with a gain of 1.0).

When it comes to running a gamma autocal with the JVC software the spyder 5 points towards the projector lens and there is a complete thread devoted to this subject. It's worth reading the first few posts of that thread to help you understand the procedure. There is no need to run the gamma autocal when the projector is new. Wait until you have 100-200 hours of use.
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post #2583 of 28686 Old 01-21-2019, 05:42 AM
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Quote:
Originally Posted by midblue View Post
Has anyone tested the NX7 or NX9 with games? How do they look with Xbox One X or PS4 Pro games in 4K HDR?

Also regarding 8K e-shift, has anyone done an objective comparison on various video content? It’s essentially just anti-aliasing, so it might actually look better depending on the source resolution and format. If you have a clean 4K source than I admit it’s unlikely to add anything.
Man, I was looking for an answer to this too. My NX7 is suppose to be here Wednesday, so I'll let you know asap. I'll be hooking up the xbox to it... been waiting to play some new games. lol
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post #2584 of 28686 Old 01-21-2019, 05:59 AM
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Quote:
Originally Posted by BruceJK View Post
There is no need to run the gamma autocal when the projector is new. Wait until you have 100-200 hours of use.
One may still want to run Autocal in the “Log only” mode when new, to establish a reference baseline.
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post #2585 of 28686 Old 01-21-2019, 06:19 AM
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Originally Posted by woofer View Post
Yep, and that is still the case..

The 8K E-Shift feature though ......the more hours i clocked on the NX9, the more i grew to dislike the 8K E-Shift.
Yep and as I said, my plan is to turn it off, but will reserve final judgement until I compare both ways. And I say that because my plan when I bought my RS600 was to turn off the dynamic iris and I ended up using it.
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post #2586 of 28686 Old 01-21-2019, 07:26 AM - Thread Starter
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Quote:
Originally Posted by Jim Cutter View Post
So I've been reading a lot where people have been pointing out the benefits letting the Panasonic UB820 and UB9000 do the tone mapping but also allowing the JVC to tone map for the best signal. Is it better to just let the JVC to do all of the tone mapping, the UB820 or both? Any thoughts?
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Originally Posted by markmon1 View Post
Man this question just keeps coming up.

Tone map should take HDR as input and the output should be tone mapped SDR for your device's capabilities. That means the HDR meta should be stripped away at that point. So the answer is it's either the UB820 *or* the JVC never both.

The UB9000 discussion on that new firmware was different. The UB9000 has a mode that works with the JVC tone mapping by taking the input HDR and outputting HDR that contains the necessary meta so the JVC can properly tone map it. It's possible the UB9000 will also have tone mapping, in which case if you use it, you should get an SDR tone mapped from HDR and the JVC will not recognize it as an HDR stream.
@Jim Cutter just to add to what @markmon1 says here, we won't actually know which out of the Panasonic's vs the JVCs has the better HDR auto tone-mapping until after people have had opportunity to compare the two

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post #2587 of 28686 Old 01-21-2019, 07:33 AM
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Really hope I could make the NX7 work at under 11' for like a 110" screen...
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post #2588 of 28686 Old 01-21-2019, 07:45 AM
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Originally Posted by markmon1 View Post
Man this question just keeps coming up.
The question keeps coming up because there are entire pages in this owners thread about the Panasonic players, and to someone who doesn't understand the science, it makes the waters very murky. Why are some of the top tech people on this thread suggesting that adding the Panny 9000 such a big thing for these projectors, as if not using it cripples the functionality on a large portion of the media out there?

If the Panny 9000 can determine the correct metadata on the fly, then I can understand the significance. It still doesn't work for me to use one as I don't spin blu rays, but for those who do, I can see it being a big deal as previously the only way to do this is with a far more expensive Lumagen Pro.

And if the Panny 9000 cannot determine the correct HDR metadata on the fly, then all you are doing is setting a default that is likely incorrect on one device instead of the other. I don't see the point to it.

Either way, I am relying on the JVC to be "good enough" internally because for me the ONLY alternative is a Lumagen Pro, and I bought the JVC rs2000 so I won't need to buy a Lumagen Pro.
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post #2589 of 28686 Old 01-21-2019, 07:50 AM
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Originally Posted by kennyz06 View Post
Man, I was looking for an answer to this too. My NX7 is suppose to be here Wednesday, so I'll let you know asap. I'll be hooking up the xbox to it... been waiting to play some new games. lol
same boat - picked up xbox one x-just waiting on n7 to take Lara on her HDR/Atmos jungle adventure -
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post #2590 of 28686 Old 01-21-2019, 07:51 AM
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Originally Posted by ScottSFA View Post
Really hope I could make the NX7 work at under 11' for like a 110" screen...
Need more than 11' of throw for that size screen.
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post #2591 of 28686 Old 01-21-2019, 08:03 AM
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Smile

I do find it amusing that they mix Imperial & metric in their charts

They specify a different throw ratio, depending on whether it's 16:9 or 17:9

Does this mean that if I'm using full res, for a widescreen image I wouldn't have to zoom out so far as my existing (JVC X30) projector, given everything else equal, & I'd have a larger picture for the same throw distance?

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post #2592 of 28686 Old 01-21-2019, 08:13 AM
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Originally Posted by kennyz06 View Post
Man, I was looking for an answer to this too. My NX7 is suppose to be here Wednesday, so I'll let you know asap. I'll be hooking up the xbox to it... been waiting to play some new games. lol
Yes we need some user feedback, much user feedback
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post #2593 of 28686 Old 01-21-2019, 08:13 AM
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Originally Posted by GPBURNS View Post
same boat - picked up xbox one x-just waiting on n7 to take Lara on her HDR/Atmos jungle adventure -
Exactly the same thing I did, and the same game... I really want to play it, but I'm holding out!
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post #2594 of 28686 Old 01-21-2019, 08:32 AM
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Originally Posted by mickb1965 View Post
I do find it amusing that they mix Imperial & metric in their charts
It seems common to use inches for the “nominal screen size” and metric for the actual measurements. Amazon UK does it all the time for projector screens.

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post #2595 of 28686 Old 01-21-2019, 08:42 AM
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Any insights into which streaming device (Roku, ATV, Shield) will work best with the capabilities of the NX series?

Similarly, I'll be upgrading to a 4k receiver and wonder what features I need in order to take full advantage of NX7.
tnx
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post #2596 of 28686 Old 01-21-2019, 08:56 AM
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Aaahhhhhhh!! My rs3000 just showed up! Setting this up after breakfast and coffee! I’ll post my completly subjective findings vs the 990 later. And no, I don’t have meters and the only pixel peeping i am going to do is to check for focus uniformity across my entire 135” screen.




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post #2597 of 28686 Old 01-21-2019, 09:13 AM
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Originally Posted by Colozeus View Post
Aaahhhhhhh!! My rs3000 just showed up! Setting this up after breakfast and coffee! I’ll post my completly subjective findings vs the 990 later. And no, I don’t have meters and the only pixel peeping i am going to do is to check for focus uniformity across my entire 135” screen.




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You should at least compare it Arrow's QBF pattern screen shots, most here would be interested in that comparison.
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post #2598 of 28686 Old 01-21-2019, 09:14 AM
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Quote:
Originally Posted by mickb1965 View Post
I do find it amusing that they mix Imperial & metric in their charts

They specify a different throw ratio, depending on whether it's 16:9 or 17:9

Does this mean that if I'm using full res, for a widescreen image I wouldn't have to zoom out so far as my existing (JVC X30) projector, given everything else equal, & I'd have a larger picture for the same throw distance?
Yes, for scope, you can use full panel width and get larger image from shorter throw.
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post #2599 of 28686 Old 01-21-2019, 09:16 AM
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Originally Posted by Teejoo View Post
Problem is you also have to move the 2 existing speakers if you switch to 4. I would always go for 4 atmos speakers. The overal sound bubble is much better.So the N5, wich is also a very nice projector!
Not really. You get to pick top front, top middle or top rear for just two atmos speakers, with most AVR's.
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post #2600 of 28686 Old 01-21-2019, 09:39 AM
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Originally Posted by Mike Garrett View Post
Not really. You get to pick top front, top middle or top rear for just two atmos speakers, with most AVR's.
Bingo, "top MIDDLE" (not Top Front) is a given; all you need to decide ahead of time is "top middle" or "top rear", and the dimensions of the room and seating placement will make that choice/decision relatively simple. *NOTE: An AVS member corrected me: "Top Front" is supposedly for "up firing" Atmos speakers that bounce off the ceiling.

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post #2601 of 28686 Old 01-21-2019, 09:56 AM
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Originally Posted by Mike Garrett View Post
Need more than 11' of throw for that size screen.
Is there a calculator anywhere? I was going to go 110" wide 2.35:1 scope, so I want to find out the minimum distance lens to screen also.

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post #2602 of 28686 Old 01-21-2019, 09:57 AM
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Originally Posted by dkersten View Post

Either way, I am relying on the JVC to be "good enough" internally because for me the ONLY alternative is a Lumagen Pro, and I bought the JVC rs2000 so I won't need to buy a Lumagen Pro.
Im having the very same dilemma - Id be delighted if the RS2000/N7 was good enough to not need a Lumagen.

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post #2603 of 28686 Old 01-21-2019, 10:18 AM
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Originally Posted by Colozeus View Post
Aaahhhhhhh!! My rs3000 just showed up! Setting this up after breakfast and coffee! I’ll post my completly subjective findings vs the 990 later. And no, I don’t have meters and the only pixel peeping i am going to do is to check for focus uniformity across my entire 135” screen.

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Awesome, looking forward to your review! Specs and contrast numbers are meaningless to me. On paper JVC e shifter looked so much better than Sony projectors but I found colors on Sony a lot more pleasant to my eyes. I also found NX9 prototype close to Sony in color but with a greater pop and a visible improvement over 990 in direct comparison. But that was at a dealer. Looking forward to hearing opinion from someone who owns both.
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post #2604 of 28686 Old 01-21-2019, 10:27 AM
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Originally Posted by woofer View Post
Got to head off to work........ i will post some comparison images from NX9 and Z1/RS4500 in Nigel's 2019 Comparison thread when i get home this evening..



You WILL see a the "clear" difference between the 2.

While I don’t doubt the Z1 is a better projector given the higher price and laser source when I look at those two images the colors look a lot lighter on the Z1 and the image a lot brighter. Were these two projectors both calibrated on your screen using displaycal or something similar? Otherwise aren’t we just comparing factory settings and the higher lumen output on the Z1?


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post #2605 of 28686 Old 01-21-2019, 10:34 AM
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Talking NX7: Wow! What an image

So finally hooked up my NX7, mounted on the shelf, and fired it up using Shield TV, turned on Kodi and started Interstellar (HDR) and fast forwarded to the money shot at about 50 minutes.

OH MY GOD! What an image. The contrast on this thing is phenomenal. It is several times darker than my five year old Sharp TV. Its close to an OLED (atleast from a cursory look) than any other projector I have seen. My past JVC reference is a JVC RS440, and this thing is so much better (and bigger)

I have not touched any settings except turning off all the post processing CMD, Motion etc.

This thing is a beast. I dont care about ANSI contrasts, but in my setup this thing sends a scary good image.

I will do some dedicated watching, measurements at night since my attic is (very well) light controlled but not light sealed like a cave in the day,

The WAIT WAS WORTH IT!

Oh one more thing - this thing is very quiet even i high lamp the noise is less than my makeshift Optoma projector.

Well done JVC - I am sure I will find issues as I go along but a first look uncalibrated is phenomenal!
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post #2606 of 28686 Old 01-21-2019, 10:39 AM
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Originally Posted by gigq View Post
While I don’t doubt the Z1 is a better projector given the higher price and laser source when I look at those two images the colors look a lot lighter on the Z1 and the image a lot brighter. Were these two projectors both calibrated on your screen using displaycal or something similar? Otherwise aren’t we just comparing factory settings and the higher lumen output on the Z1?


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No, not calibrated and the NX9 is pre production model.
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post #2607 of 28686 Old 01-21-2019, 10:40 AM
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Originally Posted by AidenL View Post
Is there a calculator anywhere? I was going to go 110" wide 2.35:1 scope, so I want to find out the minimum distance lens to screen also.
https://www.projectorcentral.com/JVC...ulator-pro.htm
Note that you need to select the aspect ratio.
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post #2608 of 28686 Old 01-21-2019, 10:51 AM
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Originally Posted by Mike Garrett View Post
https://www.projectorcentral.com/JVC...ulator-pro.htm
Note that you need to select the aspect ratio.
Thanks Mike.

I don't think that's going to work for me with 120" - seems I need to lower my screen size - easier than locking a wall !

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post #2609 of 28686 Old 01-21-2019, 11:08 AM
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Quote:
Originally Posted by Mike Garrett View Post
https://www.projectorcentral.com/JVC...ulator-pro.htm
Note that you need to select the aspect ratio.
When I look on the JVC website, it differed from Projector Central for a 110" 2.35:1 - JVC say 3.47m, 138ins,Projector central is 132ins.

Is it safer to err on the 138 ins measurement?

Both are lens to screen I guess?
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post #2610 of 28686 Old 01-21-2019, 11:30 AM
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The question keeps coming up because there are entire pages in this owners thread about the Panasonic players, and to someone who doesn't understand the science, it makes the waters very murky. Why are some of the top tech people on this thread suggesting that adding the Panny 9000 such a big thing for these projectors, as if not using it cripples the functionality on a large portion of the media out there?

If the Panny 9000 can determine the correct metadata on the fly, then I can understand the significance. It still doesn't work for me to use one as I don't spin blu rays, but for those who do, I can see it being a big deal as previously the only way to do this is with a far more expensive Lumagen Pro.

And if the Panny 9000 cannot determine the correct HDR metadata on the fly, then all you are doing is setting a default that is likely incorrect on one device instead of the other. I don't see the point to it.

Either way, I am relying on the JVC to be "good enough" internally because for me the ONLY alternative is a Lumagen Pro, and I bought the JVC rs2000 so I won't need to buy a Lumagen Pro.
I would hope this would be the case too. Without having my RS2000 yet it's hard to get my head wrapped around what will work better and to understand what others are talking about. Then on top of that what settings to use on the UB820 if I want the UB820 to do the tone mapping and what settings for into be on if I want the RS2000 to do the tone mapping. I will only be using the UB820 for watching movies in my theater room. I just enjoy the act of picking a movie and inserting the disc. The other options are too expensive and to take time downloading discs to a hard drive seems tedious to me.

Theater Room - JVC RS2000, Dalite 148" Scope, Pioneer SC-65, Panasonic UB820, Energy APS 5+2(2), Energy AC 300(1), Energy CR-3(4), PSA 15"Sub(2)
Sports Room - JVC RS4810, Dalite 106" 16:9, Onkyo TX-SR875, Oppo BDP-103, Energy C-7(2) w/Energy S8.2(2), Energy C-C3(1) w/Energy S10.2(1), Energy CR-3(3), Energy S12.3
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drift , Jvc , nx5 , nx7 , nx9 , pixel alignment , rs1000 , rs2000 , rs3000

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