Sim2 Lumis Owners Thread - Page 4 - AVS Forum
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post #91 of 1962 Old 02-19-2009, 06:28 AM - Thread Starter
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My unit had a T2 lens, so that is definitely not the Lumen issue. It could be the CR issue, as I didn't notice any (visible) CR deficiencies, although I did not take measurements.

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post #92 of 1962 Old 02-19-2009, 10:06 AM
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Quote:
Originally Posted by owl1 View Post

Well, given the tendency of people to think the worst, Sim2 should make some sort of statement through any channel to ease customer's concerns and avoid a PR disaster especially when the groupthink is that perhaps they are dumbing down the unit intentionally.

I think you are absolutely right, but do companies ever do this right away? I imagine it will take some time to figure out if there is a problem, what units are affected, what the problem is exactly, the cause and what they can do about it. They won't want to tell everyone their product is broken before they have something in place to sort it out. That would be very bad PR. However, as you point out, the longer they take to do this, the more harm will be done.

I know from hearing dealers and reps talk everyday that manufacturers can be quite dismissive of forums, often just passing it off as group think, even when it later turns out there is a problem with their kit.

The big factor here is that this particular group is about as well informed as they come (I do not include myself in that phrase) It will be the owners here that will get Sim's attention with units being returned, etc.

I have a good access to Sim UK, but since I don't have a Lumis I don't think I would get much creedence, especially since I just heard it on the grapevine.
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post #93 of 1962 Old 03-11-2009, 11:24 AM
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i'm very curious about the lumis.
can any owners make more comments, get the thread going again?
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post #94 of 1962 Old 03-11-2009, 12:23 PM
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I am not seeing any dumbing down (based upon two units so far). I have seen an incident of "cutting teeth" which was resolved by SIM in 24 hours.

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post #95 of 1962 Old 03-11-2009, 01:29 PM
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Quote:


i'm very curious about the lumis.
can any owners make more comments, get the thread going again?

I don't think there are many Lumis's in owner's hands quite yet. It will be a month or so before many of us get ours.

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post #96 of 1962 Old 03-11-2009, 02:27 PM - Thread Starter
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I hope to get my unit back soon, so I can report.

Phil
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post #97 of 1962 Old 03-11-2009, 07:55 PM
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No real new info, but a nice product brochure from the Sim2 site.

http://www.sim2usa.com/home/files/do...T_EN_nov08.pdf
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post #98 of 1962 Old 03-11-2009, 11:10 PM
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Quote:
Originally Posted by cal87 View Post

No real new info, but a nice product brochure from the Sim2 site.

http://www.sim2usa.com/home/files/do...T_EN_nov08.pdf

Anybody notice this:

"Sim2 Auto Calibration Kit" listed in the brochure? It states:

"Sim2 Auto Calibration Kit automatically calibrates the unit according to the environment in which it's installed - Available from end 1st quarter 2009"

Has anybody heard about this option/feature?
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post #99 of 1962 Old 03-12-2009, 07:32 AM - Thread Starter
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I had forgotten about that, with all the projector hubub. When it was first announced, I remember thinking I wish that the calibration kit would be available when the projector was, but now, it is end of 1st quarter, and the projectors are finally just shipping, so I wonder about the availability of this kit??

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post #100 of 1962 Old 03-12-2009, 07:47 AM
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There are a few things to be worked out with the projector. Activation of RS232, the HD SDI port etc. I would expect this kit in the future. New product blues.
At this point the projector is scarce as we wait for the flood gates to open.
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post #101 of 1962 Old 03-13-2009, 04:38 AM
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Alan,
My installation is almost complete....
The Rs 232 on my unit is operational.
Calibration will be later today and I will post numbers. . . . .
I have seen 'No' problems with the projector.... no quirks and looks like a reliable machine.
I am confused about the position I keep the iris, I tend to like the fully open position as colors look more vibrant. I believe the CR with DB on is so high that the CR changes due to iris open are unnoticeable.
I wonder what improvements projectors can do from here on after seeing the picture on the Lumis and this is a uncalibrated picture although I feel that Sim ships the projector already 90% calibrated.
Ash
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post #102 of 1962 Old 03-13-2009, 05:22 AM
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Quote:
Originally Posted by Ash Sharma View Post

Alan,
My installation is almost complete....
The Rs 232 on my unit is operational.
Calibration will be later today and I will post numbers. . . . .
I have seen 'No' problems with the projector.... no quirks and looks like a reliable machine.
I am confused about the position I keep the iris, I tend to like the fully open position as colors look more vibrant. I believe the CR with DB on is so high that the CR changes due to iris open are unnoticeable.
I wonder what improvements projectors can do from here on after seeing the picture on the Lumis and this is a uncalibrated picture although I feel that Sim ships the projector already 90% calibrated.
Ash

Congratulations Ash.

I genuinely love to see someone happy with, and vindicated in, their choices. Sounds like the Erskine posse are serving you well.

I hope you have the opportunity to enjoy it as fully, and frequently, as you would wish to.

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post #103 of 1962 Old 03-13-2009, 05:35 AM
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Thanks CM....
I hope I did not speak too soon.... about reliability.
Dennis Erskine has built my theater from scratch two years ago and I was very very happy with the build and continues to win my trust and respect as I do this upgrade. . . . this is one professional team.
Ash
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post #104 of 1962 Old 03-13-2009, 05:48 AM
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There's a bit more going on other than just installing his new projector. We've installed new drivers on his Aerial 20T's, changed the ventilation scheme for his projector cabinet and added a low AR projector port glass to further reduce noise in his room.

Among the heads up/challenges have been the RS-232 control strings we thought the projector uses were different from what it does use, so if you use an AMX, Crestron or other RS232 based system, verify the command strings. We've also been unable to get the trigger to operate the anamorphic lens sled. It could be we're being stupid or the trigger isn't working properly but our work around is to let the Crestron system do the work. The more consternating issue is the moire. Those of you currently using TI DC3 or DC4 chips shouldn't have a problem. Those of you moving from SXRD/D-ILA or other LCOS technology have a bigger chance of this occuring.

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post #105 of 1962 Old 03-13-2009, 05:59 AM
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Quote:
Originally Posted by coldmachine View Post

Congratulations Ash.

I genuinely love to see someone happy with, and vindicated in, their choices. Sounds like the Erskine posse are serving you well.

I hope you have the opportunity to enjoy it as fully, and frequently, as you would wish to.

+1

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post #106 of 1962 Old 03-13-2009, 06:28 AM
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Quote:
Originally Posted by Dennis Erskine View Post

We've also been unable to get the trigger to operate the anamorphic lens sled. It could be we're being stupid or the trigger isn't working properly but our work around is to let the Crestron system do the work.

Dennis, Were you trying to use a discrete command for the trigger? I had an issue with that on a C3X1080.

I got round it by using one of the user memories. You use a user aspect ratio as required and tick the box for trigger to fire. You save that to the first user memory so that it automatically uses that user AR and trigger command. You then use your control to call the memory rather than the trigger. That worked perfectly for me.

If you've tried that, just ignore me.

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post #107 of 1962 Old 03-13-2009, 07:22 AM
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We have Lumis #2 in house and will test that...thanks. I like to have a month in house to play with new "stuff" (and take it apart); but, didn't have that luxury this time.

Quote:
just ignore me.

I'll make an exception this time.

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post #108 of 1962 Old 03-13-2009, 10:04 AM
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Quote:
Originally Posted by Dennis Erskine View Post

I'll make an exception this time.

Wow, tough crowd.

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post #109 of 1962 Old 03-15-2009, 12:23 PM
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My budget is max $27,000 for a projector, and I know the MSRP is like $37,000. Can anyone PM me a street price in the USA, and also.......

Does a projector like this ever drop in price over time.....like in say 1 year?

I was pretty set on the C3x 1080, but now that this has basically perfect blacks......well I am trying to wrangle a way to get the Lumis instead.

How noticeable would the PQ difference between these two projectors be with BR discs? I know the c3x 1080 is a great projector, so maybe I am nitpicking here.
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post #110 of 1962 Old 03-15-2009, 12:58 PM
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At D 65
Dynamic Black On
Lamp Lowest
IRIS Fully Open

Screen is 12 Foot Wide 2:35 AT Cinecurve Stewart Firehawk Throw is 25.6 Feet Lens is T3

Screen Center Lumens: 19.948 X=0.319 Y=0.325
Upper Right Corner: 19.455 X=0.316 Y=.326
Lower Right Corner: 19.603 X=0.319 Y=.329
Upper Left Corner: 19.765 X=0.325 Y=.321
Lower Left Corner: 19.876 X=0.316 Y=.327

Lumens As Calibrated To D6504 = 1833.8

On Off C/R= 19343:1

ANSI CR= 618:1 (My room is not a Bat Cave by Far) I also I have A Port Glass Although Angled And The ISCO Is Also Angled

Any questions, please direct to Dennis.

Ash
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post #111 of 1962 Old 03-15-2009, 01:10 PM
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Great stuff Ash... Thanks.

Did Dennis measure both ANSI at the screen and just in front of the lens?

Are you using the Radiance with the Lumis/Host?
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post #112 of 1962 Old 03-15-2009, 01:28 PM
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Yes I am curious how Dennis measured Ansi CR?
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post #113 of 1962 Old 03-15-2009, 01:34 PM
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Some good numbers Ash.

Lumens are right up there . Am I reading that correct....thats at low lamp? If so, that's the brightest one yet.

If your getting an "in room" 618 ANSI number, in a non bat cave, I would assume you have a 1000 ANSI unit.

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post #114 of 1962 Old 03-15-2009, 01:37 PM
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Quote:
Originally Posted by coldmachine View Post

Some good numbers Ash.

Lumens are right up there . Am I reading that correct....thats at low lamp? If so, that's more than an HT5000.

If your getting an "in room" 618 ANSI number, in a non bat cave, I would assume you have a 1000 ANSI unit.

Coldmachine,

What would you guesstimate the lumens for a 14' 2.35 screen @ high lamp (my screen)!

Ash told me in a PM he was at 25 ft lamberts on his 12' screen @ HIGH Lamp..

Thanks!

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post #115 of 1962 Old 03-15-2009, 01:46 PM
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Lumens were not "low lamp" mode. Lamp was set to a level which the client determined wasn't so bright as to hurt his eyes.

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post #116 of 1962 Old 03-15-2009, 01:51 PM
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Please direct measurement questions to Dennis...
I am using the Lumagen XE... The Lumis is set to Pixel Perfect...
Once I get my Theta upgrade to HDMI 1.3 I can use the second HDMI output of Lumagen to get Audio to my Theta Sound Processor.
I also have a Port Glass to keep sound out of the projector.... It should affect ANSI some.
The projector is working flawlessly....
The only problem is that I am seeing things in movies which I never did before.... Feel like playing with settings for each movie...
Great Stuff.
Ash
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post #117 of 1962 Old 03-15-2009, 01:52 PM
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Quote:
Originally Posted by Dennis Erskine View Post

Lumens were not "low lamp" mode. Lamp was set to a level which the client determined wasn't so bright as to hurt his eyes.

Thanks.

Thats still an awful lot of power for a small unit....A bit like those tiny Albanian weightlifters.

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post #118 of 1962 Old 03-15-2009, 01:54 PM
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ANSI CR by ANSI checkerboard test pattern on screen. We did not subtract out room ambient light (that would have been cheating).

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post #119 of 1962 Old 03-15-2009, 01:58 PM
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Jeff...the lumens would be the same...Ft lamberts I'd estimate out to be 21.9 to 23 depending on lamp setting. I think at that rate, you'd want a double stack.

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post #120 of 1962 Old 03-15-2009, 02:08 PM
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Quote:
Originally Posted by thebland View Post

Coldmachine,

What would you guesstimate the lumens for a 14' 2.35 screen @ high lamp (my screen)!

Ash told me in a PM he was at 25 ft lamberts on his 12' screen @ HIGH Lamp..

Thanks!

See above. It was actually the high lamp reading.

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