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Official JVC X30 / RS45 owner's thread! - Page 5

post #121 of 4435
Quote:
Originally Posted by Geof View Post

They increased the light output by changing the dichroic filters (these filters create the R, G, & B light). Last year the filters created a very wide color spectrum (gamut) and any light outside of the REC709 gamut was, in effect, "wasted". This year they narrowed the gamut, which, they explained, increased the amount of usable light in the REC709 mode. So yes, this years models have a higher lumen output than last years models.

I thought the filter change were in the 55 and 65 not the 45?
post #122 of 4435
Quote:
Originally Posted by Ron Jones View Post

JVC spec. for max. lumens are the same for the X3 and X30 and my discussions with JVC reps at CEDIA indicated that in 2D there would at most be a slight increase for the X30/RS45 as compared to X3/RS40. However 3D should be a little better when used with the new JVC 3D glasses as compared to the X3 with the old 3D glasses. The most significant brightness improvements are for the the X7-->X70 and the X9-->X90 (same for RS50-->RS55 and RS60-->RS65) where the light engine has been changed to use a fixed color correction filter with less light loss than last year's models. The X3 and RS40 did not have this filter and as a result they had higher light output (perhaps on the order of 20% or more). It is claimed that the X70/X90/RS55/RS65 should now be within 10% of the lumens output of the X3/X30/RS40/RS45.

I suspect any real visible difference in a comparison of the X3 or RS40 to a X30 or RS45 as for lumens output will be more related to bulb-to-bulb variations and slight variations in an individual projector's performance.

This is what Ron said about the filter change.
post #123 of 4435
Quote:
Originally Posted by tigerfan33 View Post

I thought the filter change were in the 55 and 65 not the 45?

This was my understanding as well.
post #124 of 4435
Quote:
Originally Posted by nohjy View Post


I can appreciate what you were told, but it doesn't make sense. Light output has been a key factor in making a decision on a projector and it is made even more important in the context of 3D projection. Furthermore, how are the additional lumens being extracted? If the light engine was made appreciably better they would be marketing it as upgraded. This leaves the lamp itself. Again, the lamp would be given new specifications and identified as new hardware. a redesigned/respecified lamp would be good marketing as well, given the fact that last year's lamp design has been deemed by many to be a complete failure.

They have explained that they changed the dychroics to pull in the primaries, which results in higher lumens at D65. Whether the lumens are truly that much higher is something we'll find out fairly soon.
post #125 of 4435
Quote:
Originally Posted by Toe View Post

Sorry if I missed this, but how did you come to that conclusion exactly? Were you able to compare the two both with the same lamp hours?

Thanks
.


Yes .......I had the x3 brand new ( for a few hours ) before going for the x30. I tried the same scenes on the x30 , and I stand by what I say. Crosstalk and brightness is better on this x30 . Trust me . Not all the scenes are crosstalk free but to me it isnt that bad. All I can say is no matter what you read in any review you must get a demo and see for yourself. Hope this helps.
post #126 of 4435
Quote:
Originally Posted by AV Science Sales 5 View Post

You did see where Cine4home got about 30% increase in lumens over last years 50/60? Jvc did not advertise about that either. I guess we will find out before too long. Also for all the guys on the RS45 pre-order: http://www.avsforum.com/avs-vb/showthread.php?t=1375032

....way to tease Mike. I thought that link to the people that are on the pre-order was to say the RS-45's had arrived.
post #127 of 4435
Quote:
Originally Posted by Clark Burk View Post

....way to tease Mike. I thought that link to the people that are on the pre-order was to say the RS-45's had arrived.

+1 got pumped for a second there. Not cool!
post #128 of 4435
Quote:
Originally Posted by Clark Burk View Post

....way to tease Mike. I thought that link to the people that are on the pre-order was to say the RS-45's had arrived.

Quote:
Originally Posted by rukus29 View Post

+1 got pumped for a second there. Not cool!

Sorry guys, I did not think about that at all. Believe me, I will call and let you know when these are shipping.
Reply
Reply
post #129 of 4435
Quote:
Originally Posted by Toe View Post

It says right on there D65 for the X30/X70.

It does not say "Calibrated", D65 is just a preset.

Does anyone seriously believe the X30/RS45 will have significantly different contrast or brightness to the X3/RS40?

If there is a difference in brightness it is likely due to a new lamp design, but the new lamp also fits the X3/RS40.
post #130 of 4435
Quote:
Originally Posted by ripley161 View Post

Yes .......I had the x3 brand new ( for a few hours ) before going for the x30. I tried the same scenes on the x30 , and I stand by what I say. Crosstalk and brightness is better on this x30 . Trust me . Not all the scenes are crosstalk free but to me it isnt that bad. All I can say is no matter what you read in any review you must get a demo and see for yourself. Hope this helps.

looking at 1 example isn't an absolute.. I had a RS40 and RS50 from the same batch and the 50 has noticeably less ghosting than the 40.

There are going to be sample variances as we've seen from the last years worth of posts from those who have had multiple JVC's (focus, convergence, 3d ghosting, etc.)

if you get a good one, keep it close by.
post #131 of 4435
Quote:
Originally Posted by AV Science Sales 5 View Post

Sorry guys, I did not think about that at all. Believe me, I will call and let you know when these are shipping.

No worries . You can make it up to me by calling me first
post #132 of 4435
Quote:
Originally Posted by rukus29 View Post

No worries . You can make it up to me by calling me first

You can call him first just ship mine first.
post #133 of 4435
I just hope I'm in the first shipment.
post #134 of 4435
I really hope the RS45 does not have a broken lens memory function like the Sony 95. This is not the only reason I want this unit, but it is a biggie.
I can't believe Sony put out such a expensive unit as the 95 with out this working properly.
post #135 of 4435
Maybe David can test the Lens memory for us when he gets a chance, shouldn't be too hard even if he doesn't have a 2.35 screen.

Going back to brightness increases, I'm betting on about a 10% increase from the RS40's best mode to the RS45. Now this bet is made partly on research but partly on half-baked speculation, but that's my bet for now

I'm betting a much larger increase for the 55/65 over their 50/60 counterparts. Even a few firmware updates and CMS changes could have increased the brightness on those.
post #136 of 4435
Quote:
Originally Posted by coderguy View Post

Maybe David can test the Lens memory for us when he gets a chance, shouldn't be too hard even if he doesn't have a 2.35 screen.

Going back to brightness increases, I'm betting on about a 10% increase from the RS40's best mode to the RS45. Now this bet is made partly on research but partly on half-baked speculation, but that's my bet for now

I'm betting a much larger increase for the 55/65 over their 50/60 counterparts. Even a few firmware updates and CMS changes could have increased the brightness on those.

If that's the case you'll need to update the RS45 on your foot lambert calculator chart.

BTW. A very helpful tool it is.
post #137 of 4435
I'm going to go over them again and do another adjustment soon across every single projector, I am really just waiting for some additional reviews with measurements at this point.
post #138 of 4435
coderguy.. can you also get the 2.35:1 lens option back in? I know you have some trouble with the screen gain not taking into account before, but even so, it is I think a much easier multiplication to do with.. Thanks!
post #139 of 4435
Yes, I will add it back soon.
post #140 of 4435
Hi,

about Cine4Home, information in increase on brightness and contrast are here :

http://www.cine4home.de/tests/projek...70_Preview.htm

http://translate.google.com/translat...70_Preview.htm

Point 3 : Kalibrierte Helligkeit & Kontrast

It's a preview about a X70/X90 pre-production model , but there are a little sentence about the X30 at the end of this part.
post #141 of 4435
Thanks, here are the new numbers for my calculator at mid-zoom based on Cine4's data (Cine4 measured at closest throw):

Mid Zoom (after LUMENS lost going farther back to MID-ZOOM)
RS45 = 700 Best Mode@Lamp Low, 900 Best Mode@Lamp High
RS55/65 = 610 Best Mode@Lamp Low, 810 Best Mode@Lamp High

Closest Throw (after LUMENS gained for a +15% increase in LUMENS over Mid-Zoom)
RS45 = 805 Best Mode@Lamp Low, 1035 Best Mode@Lamp High
RS55/65 = 700 Best Mode@Lamp Low, 930 Best Mode@Lamp High

If anyone thinks I misinterpreted the Cine4 translation for lumens, please let me know so I can fix the numbers.
Note that I wanted to use even numbers from mid-zoom, so that is why closest throw is off by a few, but I don't care about a couple lumens.

How numbers were figured:
Cine 4 said the RS45 would be about 10% brighter than the RS55/65. Cine 4 also said the 55/65 measured at 930 lumens at closest throw for best mode lamp high, and that dropping into eco mode loses about 25% of lumens (if I am understanding correctly). The other modifier (the closest throw +15% from mid-zoom) is just an estimated thing I did until I have more numbers.
post #142 of 4435
Quote:
Originally Posted by zombie10k View Post

looking at 1 example isn't an absolute.. I had a RS40 and RS50 from the same batch and the 50 has noticeably less ghosting than the 40.

There are going to be sample variances as we've seen from the last years worth of posts from those who have had multiple JVC's (focus, convergence, 3d ghosting, etc.)

if you get a good one, keep it close by.

This is very true but I am very happy with my x30 vs the x3 .
post #143 of 4435
Sweet, our first RS45 just popped in, I hope we can get chad b out here to put up a review.......Pictures to come !
post #144 of 4435
Hello there at the moment i have the jvc rs40 and i want to upgrade.

I am not shure if its gonna be the jvc x30 or de sony hw30 or the epson tw9000.

Could you guys please test the movie sammys adventure 3d and tell me how much ghosting there is with the jvc rs45.
post #145 of 4435
I'm amazed that there has been no confirmation of whether or not the lamp has in fact been redesigned. Does anyone know if the lamp in the 45 is identical to the 40? That would be potential disaster
post #146 of 4435
* SIGH *

I was all set to order the RS45, but the more data comes in, the more I question whether this is the right move. With the exception of perhaps a slight improvement of light output, and unconfirmed statements of new lamp design, I'm not seeing the jump from the RS40 given the pricing difference.

Ditto with the Sony VPLHW30AES, which is performing brilliantly from everything that has been posted, and at a much lower cost.

I'm hoping there is more info from this and other threads to change my mind soon, as I need to get one for Xmas, but as of today (right this minute), I am leaning towards picking up an RS40 at a good discount, or the Sony VPLHW30AES at said discount as well.


any comments would be appreciated.
post #147 of 4435
The Lamp is the same as in the 40 but I was told at CEDIA that the latest batch of lamps have resolved the earlier issues. Time will tell. I feel that the 45 will be shipping very soon. It seems that a few dealers have gotten them in.
post #148 of 4435
Quote:
Originally Posted by rwestley View Post

The Lamp is the same as in the 40 but I was told at CEDIA that the latest batch of lamps have resolved the earlier issues. Time will tell. I feel that the 45 will be shipping very soon. It seems that a few dealers have gotten them in.

Here's a picture of the lamp part number on the X70/RS55.
May be someone can confirm this is the same part as the previous models.

http://www.avsforum.com/avs-vb/showt...4#post21255944
post #149 of 4435
Did anyone see the calibration results posted over on AVforums by RickyJ? Considering the RS45/X30 doesn't have a CMS I didn't think the results were too bad (much better than us HD350/RS10 owners had to contend with anyway).

http://www.avforums.com/forums/15895354-post611.html
post #150 of 4435
Quote:
Originally Posted by ssabripo View Post

* SIGH *

Ditto with the Sony VPLHW30AES, which is performing brilliantly from everything that has been posted, and at a much lower cost.

The Sony hw30 costs more than the RS45, but once you factor in JVC glasses, the cost is basically the same, but the Sony does have a 3-yr warranty. Although I suppose with the cheaper lamps, one could argue for cost in favor of the Sony, but aren't most of us replacing our projectors every 1-2 years and selling the old JVC, if that is the case, then I don't see any big worries about the lamp thing since JVC will replace the lamps anyways if they blow super-early. Yes, it's still a worry, don't get me wrong, just not a huge worry unless you are planning on watching your PJ 5+ hours per day. I figure if JVC didn't fix it this year, they will have by next year, and in that case each of us will probably only be stuck buying one additional lamp at most on the JVC before we upgrade again.

Still, the Sony hw30 has some minor sharpness uniformity issues supposedly, so the picture might be a tad softer than the JVC. The vw95 solves that issue, but at double the price of the JVC RS-45. Many people don't care about this tiny touch of softness, but I don't like softer video, I like as much sharpness as I can get. Maybe I am wrong and would like the Sony better, but every time I take the softer projector (and I've owned around 10), I end up returning it and preferring the sharper one, even if there are other trade-offs. Plus no-IRIS blacks are still better, even if the Sony's IRIS is the best. Overall, the hw30 doesn't have the black levels of the JVC, although I suspect most would say its close enough to the RS-45 to not matter. There are NOT a lot of other choices in this realm, as the vw95 is so far off in price, that I don't know why people even ever refer to it as an option in this price range.

Plus I am still debating on not even buying the glasses for the JVC, and just waiting for a cheaper 1080p DLP that comes with glasses, or perhaps I'll spring for the Optoma hd33 to supplement the JVC in a few months, or perhaps I'll buy the Benq w7000 in addition to the JVC, or perhaps I'll do none-of-the-above and just go outside more often and see 3D in real life :P
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