JVC DLA-RS4500 4K Projector at CEDIA 2016 - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 25 Old 09-17-2016, 09:52 AM - Thread Starter
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JVC DLA-RS4500 4K Projector at CEDIA 2016


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post #2 of 25 Old 09-17-2016, 08:12 PM
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Preordered!
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post #3 of 25 Old 09-18-2016, 12:47 PM
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I am curious to see if there will be any improvements for the current e-shift projectors. I am in the market of a projector and was waiting to see what JVC was going to do on their other consumer projectors.
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post #4 of 25 Old 09-18-2016, 01:07 PM
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Originally Posted by MichaelJW View Post
I am curious to see if there will be any improvements for the current e-shift projectors. I am in the market of a projector and was waiting to see what JVC was going to do on their other consumer projectors.
You might consider the New Epson 10500 4K laser projector using e-shift at $8000. I saw their demo at CEDIA 3 times and was quite impressed. At the price point it was great IMHO. The screen was something like 133" so if you're not going super big it might be a viable option.

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post #5 of 25 Old 09-18-2016, 01:41 PM
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nothing like a new swing in technology(in this case 4k and led/laser light engines) to make me wish i worked for the money instead of the love of what i do, haha.

i wonder how many years it'll take before JVC let's this trickle down into a sub 5k projector. i'm still happy with the x35, but it won't last forever
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post #6 of 25 Old 09-18-2016, 07:25 PM
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Preordered!
+1. Preordered immediately after IFA. First rights on one of the first 2 units coming to Oz
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post #7 of 25 Old 09-18-2016, 09:15 PM
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+1. Preordered immediately after IFA. First rights on one of the first 2 units coming to Oz

Congrats!

Nice to be able to enjoy SOTA stuff.

I'll jump aboard once JVC introduce a Laser unit in the RS600 class at a RS 600 price! Still enjoying a RS20/HD750 since 2009 ....doin' fine thus far, but it is nearing it's expiry date!
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post #8 of 25 Old 09-18-2016, 09:17 PM
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That thing is a BEAST in size. They had it next to a "regular" JVC projector, which isn't small by any means, and this thing was enormous.

The image quality was top notch. Very impressive on their 220" screen.
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post #9 of 25 Old 09-18-2016, 10:38 PM
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Congrats!

Nice to be able to enjoy SOTA stuff.

I'll jump aboard once JVC introduce a Laser unit in the RS600 class at a RS 600 price! Still enjoying a RS20/HD750 since 2009 ....doin' fine thus far, but it is nearing it's expiry date!
Yeah man, wow, I've been through a few projectors since then. But when it came to the price points locally for the RS500 (in my case a 600) it was too hard to resist. Personally, I couldn't get away from the price/performance equation to not get one and try it out when units like the 500 are less than the current LG signature 65" OLED screen. I'd even drop back X5000 in the mid $4k's if it came to the crunch and I still had one of my previous 1080p units.
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post #10 of 25 Old 09-18-2016, 11:40 PM
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That thing is a BEAST in size.
Pre-ordered as well. The size specs aren't too different to the Sony 1000 I currently use... same width and height... just some 15cms longer. Oh, and twice the [weight]. Hoping for a straightforward swap into my hush box, which then WON'T fall off the ceiling under the extra weight.

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post #11 of 25 Old 09-19-2016, 12:33 AM
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Yeah man, wow, I've been through a few projectors since then. But when it came to the price points locally for the RS500 (in my case a 600) it was too hard to resist. Personally, I couldn't get away from the price/performance equation to not get one and try it out when units like the 500 are less than the current LG signature 65" OLED screen. I'd even drop back X5000 in the mid $4k's if it came to the crunch and I still had one of my previous 1080p units.
I've noticed the frequency the change of your projectors....nice to be able to do that. When I buy something I like to hang on to it for as long as possible, like only buying a new one when the old one dies!

Love to be able to afford the latest and greatest. Enjoy!
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post #12 of 25 Old 09-19-2016, 01:12 AM
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I've noticed the frequency the change of your projectors....nice to be able to do that. When I buy something I like to hang on to it for as long as possible, like only buying a new one when the old one dies!

Love to be able to afford the latest and greatest. Enjoy!
I hear you. I get to move them around which really handy in my situ!
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post #13 of 25 Old 09-19-2016, 01:12 AM
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What's the difference between this one and the DLA-Z1?

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post #14 of 25 Old 09-19-2016, 04:14 AM
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What's the difference between this one and the DLA-Z1?
Nothing, just the US always has to be different with model numbers/names
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post #15 of 25 Old 09-19-2016, 07:49 AM
 
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48 laser diodes to reach 3000 lumens, that 16 per colour, so 3000 lumens of red, 3000 lumens of green, 3000 lumens of blue. That means around 187 lumens per laser diode. Looking around the net, 200 lumens per watt lasers are available now, so that means maybe 1 watt per laser diode. That means 48 watts to hit 3000 lumens. That is really good. Of course that's all without accounting for inefficiencies and losses in the optics and internals, plus whatever despeckling tech they're using.

I guess they went with having lots of lasers instead of having really high powered ones, for redundancy. So if one of your red lasers dies suddenly, and you are left with 15/16 working, then the blue and green ones stop using one each to keep the white point stable. But, that's just what I'd do in my own designs. I assume they have very good engineers so I'd be surprised if they weren't taking advantage of their redundancy to expand lifespan.
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post #16 of 25 Old 09-19-2016, 11:13 AM
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Got to see this at their booth last week. I'm no video expert, but the image was glorious indeed.

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post #17 of 25 Old 09-19-2016, 11:21 AM
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So if one of your red lasers dies suddenly ...
Just to be clear, these use blue lasers with red and green phosphor. They could dedicate a bank of blue lasers to just the red phosphor, but I'm not sure if they do it that way. I expect the split between the number of lasers dedicated to blue, red, and green to be split, with the least number needed to provide the blue light, which only accounts for around 10% of the light energy needed to get to D65.

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post #18 of 25 Old 09-19-2016, 11:44 AM
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How is fan noise on this? Or is there fan noise? (LASERS!?!)

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post #19 of 25 Old 09-19-2016, 02:50 PM
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How is fan noise on this? Or is there fan noise? (LASERS!?!)
Yeah, what is the heat situation? Also, can this one be turned on and off more akin to a panel?

Finally, do those on the pre-order list expect to pay full MSRP or will there be a "JVC street price"?

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post #20 of 25 Old 09-19-2016, 03:39 PM
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Just out of sheer curiosity I'd like to know where they'd ballpark a sales forecast for a $35,000 projector- and then how many they're actually able to move.

James
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post #21 of 25 Old 09-19-2016, 04:03 PM
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...200 lumens per watt lasers are available now, so that means maybe 1 watt per laser diode. That means 48 watts to hit 3000 lumens.
What about optical path throughput efficiency?

I think around 25% is typical, but I don't know if this has a simpler optical path.

Even so, I bet the phosphor conversion efficiency is a pretty big hit; anyone know what that is?

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post #22 of 25 Old 09-20-2016, 09:13 AM
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I'll jump aboard once JVC introduce a Laser unit in the RS600 class at a RS 600 price! Still enjoying a RS20/HD750 since 2009 ....doin' fine thus far, but it is nearing it's expiry date!
I have the RS20 as well and have had it for probably just as long as you have. I have made a conscious decision not to upgrade until JVC came out with a "real" 4K unit. But I guess I'll have to wait a bit longer for the price to drop before I swap out my trusty old RS20. If something were to happen to it tomorrow, I'd go for one of JVC's e-shift units that have gotten great reviews everywhere.

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post #23 of 25 Old 09-21-2016, 05:26 PM
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I have the RS20 as well and have had it for probably just as long as you have. I have made a conscious decision not to upgrade until JVC came out with a "real" 4K unit. But I guess I'll have to wait a bit longer for the price to drop before I swap out my trusty old RS20. If something were to happen to it tomorrow, I'd go for one of JVC's e-shift units that have gotten great reviews everywhere.
I'm in the same boat, the ol' RS20 has served me well, still on the first globe!

I do have a Sharp ZX30000 that I use for 3D, so I'll possibly use that if the RS20 dies. I'm waiting for a JVC native 4k unit in the RS600 class. Hopefully JVC will have one for us in 2017 and all these niggling UHD issues have been resolved.

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post #24 of 25 Old 12-03-2016, 02:27 PM
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Did it pass THX certification?
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post #25 of 25 Old 02-25-2017, 11:45 AM
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Did it pass THX certification?
Yes, with flying colors

We're showing it at our Home Theater Seminars in March - Denver and Colorado Springs. Info here, thanks to Scott Wilkinson:

http://www.avsforum.com/home-theater...orado-springs/

It's strictly an educational event, with Kris Deering (Sound and Vision), Gregg Loewen (THX), Chris Deutsch (JVC), and Robert Keeler (Stewart Filmscreen) presenting.
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