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Discussion Starter · #1 · (Edited)
Since there doesn't appear to be an actual thread for owner's of this projector. I thought it would be a good idea to create a thread for those that currently own one or are expecting one soon.
 
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REFERENCE SERIES 4K HOME CINEMA PROJECTOR
MSRP: $34,999.95
Product Details
Product Overview
Specifications
Press Releases
Sales & Support
Documentation & Visuals
NEW
The DLA-RS4500 is the ultimate projector for discerning individuals who want uncompromised large screen performance in their home. It represents a giant leap forward in front projection, delivering exquisite native 4K high dynamic range (HDR) images at a brightness that fills even the largest home theater screens. It features three JVC-developed native 4K D-ILA devices combined with our exclusive BLU-Escent laser phosphor illumination that delivers 3,000 lumens with a 20,000 hour operational life. In addition, the new laser light source offers dynamic light control for an infinite contrast ratio (∞:1). To further ensure that the projector delivers bright, high-quality 4K images, it features a new 100mm high-resolution lens developed specifically for 4K applications, and a new Cinema Filter for a wide color gamut.
Key Features:
2nd generation BLU-Escent™ (Laser Diode/Phosphor) Light Source with 20,000 hour life
3,000 lumen illumination
20,000 hour laser life (at full power)
∞ : 1 Dynamic Contrast Ratio
Three 0.69 inch 4K DILA (4096 × 2160) Devices
18 Element, 16 Group All Glass 100mm Diameter Zoom Lens
Native 4K (4096 x 2160) Projected Image
Two 18 Gbps HDMI/HDCP 2.2 Compatible Inputs
THX® 4K Display Certified (pending approval)
ISF (Imaging Science Foundation) Licensed
Improved Multi Pixel Control (MPC) w/Auto Mode
MPC Works with 4K60P (up to 4:4:4) Signals
HDR (High Dynamic Range) Compatible w/HDR10 and Hybrid Log Gamma and SMPTE 2086
Motion Enhance (2D, 3D, 4K) w/Upgraded Clear Motion Drive
100% coverage of DCI-P3 color space and 80% BT.2020
1.4 to 2.8:1 Motorized Zoom Lens w/±100% Vertical Offset and ±43% Horizontal (16:9 aspect ratio)
New Installation Function Memorizes 10 Positions for Lens, Screen & Masking Settings
Control: Control4 SDDP / LAN / RS-232C / IR / 12V Screen Trigger Output / 3D Sync Output
3 Year Warranty

Native 4K D-ILA Device 0.69 inch
The DLA-RS4500 employs the world's smallest Native 4K D-ILA device (.69"diagonal) realizing 4096 x 2160 pixel images. It utilizes vertical orientation technology and a planarization technique that reduces light scattering and light diraction over previous devices. The result is extremely high native contrast ratios with smooth, detailed pictures without visible pixel structure even on large screens.

Laser Phosphor Light Engine
JVC's proprietary 2nd generation BLU-Escent™ laser phosphor light engine uses blue laser diodes, stationary inorganic phosphor and JVC's proprietary color management system. BLU-Escent™ enables a consistent 3,000 lumen light output. Increased brightness ensures compatibility with larger screen sizes over 200 inches, and improved HDR performance, bringing greater depth and dimensionality to home theater screens.

Using the Laser Diodes as the light source, light output can be controlled instantly enabling a contrast ratio of ∞:1. The DLA-RS4500 controls the laser output accordingly to the scene's brightness, which creates a picture that is as close to human perception as possible.
Low/Medium/High Laser Diode output settings are available with a choice of three Dynamic Control modes (Off/Auto 1/Auto 2). Additionally a full manual lens aperture is available for fine brightness adjustment.

High Resolution Lens Dedicated for 4K
An 18 element 16 group all glass lens and full aluminum lens barrel has been specically engineered for the DLA-RS4500's 4K performance. Chromatic aberration and color fringing are minimized even when utilizing lens shift, resulting in precise projection of 4K content. In order to project 4K resolution to every corner of the screen, the new lens diameter is now 100mm, compared to 65mm used in previous JVC projectors. This lens allows a wide shift range of ±100% vertical, ±43% horizontal for a 16:9 image (±40% horizontal for a native 17:9 image).

HDR (High Dynamic Range) Compatible


HDR content such as UHD Blu-ray discs incorporate extended dynamic range, 10bit color and BT.2020 color gamut. This demands exceptional specications and exacting performance from display devices. The DLA-RS4500, employs high native contrast ratio with BT.709 and Digital Cinema Initiative (DCI) color gamut with BT.2020 color mapping, dynamic light source control and high brightness let you experience a full complement of HDR content. HDR content from various sources can be adjusted depending on screen size and screen type based on picture preferences.
Auto HDR Picture Preset. When the projector detects an HDR10 signal it will automatically select the correct picture mode preset. The preset is based on the HDR10 standard, which follows the PQ gamma curve, 1,000nit brightness, and BT.2020 color gamut.
Hybrid Log-Gamma is an additional HDR Gamma mode that is used for live broadcast or streaming events.

Wide Color Gamut Resulting in Vivid Color Images


The new BLU-Escent™ light source and new Cinema Filter achieve over 100% DCI-P3 color space and over 80% coverage of BT.2020 color gamut. The gradation of sky or sea, the various colors of red in a crimson rose, and the countless colors of green of trees can be reproduced more vividly. The DLA-RS4500 reproduces stunning imagery and color when utilizing UHD content.

Luxurious Cabinet Design


The DLA-RS4500 features an all-new cosmetic design, with a symmetrical cabinet that combines aluminum and matte black paint for a luxurious appearance while also reducing reflections. The center-mounted lens is set off from the black body by a gold alumite ring. For cooling, the rear intake/front exhaust fan adapts to the installation environment to maximize its effectiveness, and it employs a professional level air filter that can withstand severe conditions.
Special care has been taken to add functional beauty by applying a texturized matt black finish minimizing visible finger prints during installation as well as in theater reflections.

Next Generation Multiple Pixel Control
The new algorithm has been developed to scale all video to 4K, giving extraordinary detail to all content regardless of source resolution. Native 4K images (up to 4K/60P 4:4:4) may also be fine tuned for the highest projected quality.
 

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Discussion Starter · #5 ·
I'm hoping to receive mine by the end of the week. Stay tuned !

That's great Craig. Please post your impressions here. I plan to do the same. Looking forward to it!
 
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Great idea. I have always owned a JVC projector going all the way back to DILA G11, what 15 years ago (has it been that long?) and I hope this would bring even more relevant and meaningful posts from video experts to Ultra forum.

And I must post since it's a pleasure to beat @Seegs108 to an important JVC thread :). Kidding aside, I enjoy reading his great input.
 

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Great idea. I have always owned a JVC projector going all the way back to DILA G11, what 15 years ago (has it been that long?) and I hope this would bring even more relevant and meaningful posts from video experts to Ultra forum.

And I must post since it's a pleasure to beat @Seegs108 to an important JVC thread :). Kidding aside, I enjoy reading his great input.
To be fair, I've never been the first one to receive any JVC projector, so it's no wonder you guys beat me here. Also, I have no intention of buying an RS4500. Never have. :)
 

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JVC Z1, SI PW 150", MX160, M.L. 535H, Meridian 559, 2 x Sherbourne 2-160, REVEL Studio2,Gem2,Voice2
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At this stage, not certain how long I'm going to remain an owner with the Z1 so far not stacking up to what most of us anticipated it would be for the price:eek:. Can't see any miraculous software update to get around the shortcomings that's for sure.
 
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Discussion Starter · #9 · (Edited)
At this stage, not certain how long I'm going to remain an owner with the Z1 so far not stacking up to what most of us anticipated it would be for the price:eek:. Can't see any miraculous software update to get around the shortcomings that's for sure.
Hey OZ. You have yours on hand already?

Actually, never mind. :) I recall some of your comments. Other than the measurements you were asked to provide, you seemed satisfied with the image. Personally, I'm not buying into the measurements that are being posted until I see some professional feedback from members I feel will provide reliable, non biased feedback and test results. Kris Deering being an example. He's currently working on thorough review and will be providing his feedback and test results soon I believe.

Measurements aside, what issues are you experiencing?
 

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Hey OZ. You have yours on hand already?

Actually, never mind. :) I recall some of your comments. Other than the measurements you were asked to provide, you seems satisfied with the image. Personally, I'm not buying into the measurements that are being posted until I see some professional feedback from members I feel will provide reliable, no biased feedback and test results. Kris Deering being an example.

Measurements aside, what issues are you experiencing?
The initial halo of having the unit so early in piece has faded quite a bit when I when I look at the issues of poor native contrast, dynamic dimming performing quite poorly compared to the VW5000, ridiculous level of light loss with the P3 filter (plus its total inaccuracy without calibration), the very significant noise level even in Mid laser. Really this projector is going to be extremely hard to justify for me having just taken down the RS600 I don't know all the guys who've reviewed the Z1/4500 that well, but apart from Kris, guys like Ekki I have total faith in what is reported here and on his review site.
 

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Discussion Starter · #11 ·
The initial halo of having the unit so early in piece has faded quite a bit when I when I look at the issues of poor native contrast, dynamic dimming performing quite poorly compared to the VW5000, ridiculous level of light loss with the P3 filter (plus its total inaccuracy without calibration), the very significant noise level even in Mid laser. Really this projector is going to be extremely hard to justify for me having just taken down the RS600 I don't know all the guys who've reviewed the Z1/4500 that well, but apart from Kris, guys like Ekki I have total faith in what is reported here and on his review site.
The noise level seems pretty odd and I've heard someone else mention that. I would consider talking to your dealer and maybe have another unit tested. It would be worth the effort to eliminate the possibility of a bad unit.. I'm expecting mine late next week and keeping faith. Like you, it's replacing the 1100.
 

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At this stage, not certain how long I'm going to remain an owner with the Z1 so far not stacking up to what most of us anticipated it would be for the price:eek:. Can't see any miraculous software update to get around the shortcomings that's for sure.


Shame. I was in the process of getting estimates for timeline for getting a new Z1 in after reading your initial impressions. And then once the gloss of the new toy wore off, like you said, the hype fell like a tonne of bricks.

I've been told to get the 7500 and checking the price differential for the 9500.

I had one of the first RS60s and it has served me well for 6/7 years but chewing through bulbs really quickly - the second was also an original JVC. So on paper the Z1 seemed like a no brainer with a laser.

I'm wondering if I could use my old Optoma HD33 until the LS10500 arrives in Australia or if by some miracle the Z1 delivers a reasonable alternative to my 6 yr old DILA even calibrated I remember the RS60 was like 1000 lumens with 30-40k contrast. But that Optomas grey and manual lens with a fuzzy focus just doesn't seem anywhere as immersive as the razor sharp detail I got from the RS60.
 

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The noise level seems pretty odd and I've heard someone else mention that. I would consider talking to your dealer and maybe have another unit tested. It would be worth the effort to eliminate the possibility of a bad unit.. I'm expecting mine late next week and keeping faith. Like you, it's replacing the 1100.
It's very hard to do anything like compare units here considering I got one of 2 (apparently) that landed. Don't know the status of the other one, whether pre-sold or a demo unit with JVC. I believe the noise is as per what Ekki etc measured. It is summer here (and very hot) so I have to use A/C in the HT to avoid the unit going to higher fan mode by default. The fan noise is not a faulty type sound, just very noticeable after an 1100 and my X9000/RS600 that I've had for the last year. I'm interested to see what JVC delay to QC each unit finds if anything. Seems like a few US guys don't want to believe the feedback till someone there installs one and tests it.
 
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I have got my Z1 delivered very end of last year. Dealer told me that it is one of first seven units shipped from JVC domestically. Like some of you, I replaced Sony VW1100(which was upgraded from VW1000 I got in 2011) with Z1 and I have no regrets or anything. Z1 is far brighter than VW1100 and image is lot sharper(you can tell even from focusing screen), better color reproduction and easier calibration. Downside I can think of is fan noise and heat coming out from chassis, but it is not deal breaker at all.
 

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I have got my Z1 delivered very end of last year. Dealer told me that it is one of first seven units shipped from JVC domestically. Like some of you, I replaced Sony VW1100(which was upgraded from VW1000 I got in 2011) with Z1 and I have no regrets or anything. Z1 is far brighter than VW1100 and image is lot sharper(you can tell even from focusing screen), better color reproduction and easier calibration. Downside I can think of is fan noise and heat coming out from chassis, but it is not deal breaker at all.
Let me state this again as a few people seem to be reading into the fact I've still got my 1100 for sale. I'm coming from 2 JVC RS series, both I still own, an RS500 and 600, so the Z1 isn't referenced straight from my usage of the 1100. The 1100 has been out of my HT for nearly a year now after losing its spot to the RS600. So that in itself is very different frame of reference with respect to the Z1 and may have lead to a somewhat different POV/perspective. Having just returned from a few days away at my holiday property and viewing my RS500/X7000, I am even more inclined to say the Z1 isn't enough of an upgrade for the all promises and pitch that JVC put out about it. Also, again with the 600 as reference point its not far brighter, especially in P3 - its substantially worse and that's probably more the deal breaker for me as that was a big part of buying a laser projector. Rec.709 brightness is decent but again, the native contrast sacrifice is neither necessary or worthwhile. Ad to that comparisons already made by Cine4home on motion sharpness vs the X7000 and overall sharpness compared to the VW5000 and things just aren't all that rosy as many of us had anticipated with the Z1.
 

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I'm keeping my Z1 (replacing Sony 1000).

Given the, in some respects deserved, savaging it's getting on the other thread I probably should have returned it and stuck with the Sony for another year or so, but I'm so done with bulbs.

The Z1, for me, represents a few steps forward, a couple of steps backwards, but overall a big upgrade.

If time proves that Sony SXRD no longer degrades (and I think I've seen comments that suggest new models are already showing signs of problems), or JVC deliver a Z2 which gives us everything we wanted from the Z1 then I will happily jump across to whatever comes next, but until then I will enjoy the Z1.
 

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At this stage, not certain how long I'm going to remain an owner with the Z1 so far not stacking up to what most of us anticipated it would be for the price:eek:. Can't see any miraculous software update to get around the shortcomings that's for sure.
Going to stick with the RS600 or going back to VW5000 ? As I recall , you had a great price on the VW5000. It's the only show in town to light up a big screen , JVC will be a while sorting out these shortcomings .
 

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Let me state this again as a few people seem to be reading into the fact I've still got my 1100 for sale. I'm coming from 2 JVC RS series, both I still own, an RS500 and 600, so the Z1 isn't referenced straight from my usage of the 1100. The 1100 has been out of my HT for nearly a year now after losing its spot to the RS600. So that in itself is very different frame of reference with respect to the Z1 and may have lead to a somewhat different POV/perspective. Having just returned from a few days away at my holiday property and viewing my RS500/X7000, I am even more inclined to say the Z1 isn't enough of an upgrade for the all promises and pitch that JVC put out about it. Also, again with the 600 as reference point its not far brighter, especially in P3 - its substantially worse and that's probably more the deal breaker for me as that was a big part of buying a laser projector. Rec.709 brightness is decent but again, the native contrast sacrifice is neither necessary or worthwhile. Ad to that comparisons already made by Cine4home on motion sharpness vs the X7000 and overall sharpness compared to the VW5000 and things just aren't all that rosy as many of us had anticipated with the Z1.
I find this interesting that Ekki says specifically the "motion" sharpness is sharper on the X7000. The RS4500 was supposed to have the HP to process 4K with FI, this you would expect better than the X7000 series. The X7000 is not processing
4K worth of pixels which begs the next question. How does it pull off FI on 4K HDR material ? I can run 4K HDR on my RS600 projector and run FI . Must be down-scaling 4K to 1080 first obviously. Whatever it does do, is better than what is going
on with the RS4500 and that should not be if it were done adequately .
 
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