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Old 01-13-2016, 11:15 AM - Thread Starter
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Quote:
Originally Posted by Archaea View Post
Where's the love for your KC brethren? We want to see it too!

@carp , @MrSmithers , @stitch1 , @Randy Bessinger , @Luke Kamp ,
Time for a road trip!
You guys are welcome up anytime. If you can get a car full head up and weekend. Just tell me when.
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Old 01-26-2016, 04:25 PM
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Beautiful setup you have there sir!


I was curious if you had tried using your new JVC projector with the Panamorph and if there was any noticeable difference between using the A-Lens and zooming with e-shift?


I'm trying to decide if I should budget for a higher end projector or a mid-range one with an A-Lens.


Thanks
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Old 01-26-2016, 05:26 PM - Thread Starter
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Quote:
Originally Posted by TheHoneyBadger View Post
Beautiful setup you have there sir!


I was curious if you had tried using your new JVC projector with the Panamorph and if there was any noticeable difference between using the A-Lens and zooming with e-shift?


I'm trying to decide if I should budget for a higher end projector or a mid-range one with an A-Lens.


Thanks
Hey Honey Badger - I did not try the a-lens with the JVC. I don't think you will need it. Initially with the Sony I went with it to maximize my brightness but with a 148" wide 2.37 screen. The JVC is plenty bright so far....time will tell as the lens ages. @desertdome sent me an article how A-lens actually only increases your effective brightness by 2%. Can't remember the link but maybe DD will chime in.

Good luck!
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Old 01-26-2016, 07:00 PM
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I don't know the number, but a modest gain sounds about right. You gain a bunch of light using the whole panel, but you lose a bunch again going through another big chunk of glass.

I'm excited to hear you're thrilled with the brightness on your screen. I guess I won't obsess too much over whether I can go to a 138-inch screen vs staying at 132!

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Old 01-27-2016, 03:23 AM
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Quote:
Originally Posted by ecrabb View Post
I don't know the number, but a modest gain sounds about right. You gain a bunch of light using the whole panel, but you lose a bunch again going through another big chunk of glass.

SC
You don't lose much light going through an A lens - I measured around 100 lux at the screen with no lens, and with a Prsimasonic lens in place, in pass through mode (image still covering the same area), I measured 99 lux, so around 1% difference for the glass. When you spread the image 33% wider, you will then get a loss of image brightness because you're spreading the lumens over a larger area, just like zooming does, except you're only doing it in the horizontal plane.

Zooming vs lens depends on where in the zoom rage you are - when you zoom an image larger using the pjs prime lens, you spread the lumens over a larger area, so the image becomes dimmer, but also what happens is the F-stop of the lens will increase the lumens as well, so you may not lose as much light through zooming as is often suggested. In some cases, the difference between a lens and zooming from an image brightness perspective is minimal, and not enough for it to be a factor.

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Old 01-27-2016, 07:27 AM
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Quote:
Originally Posted by dlbeck View Post
desertdome sent me an article how A-lens actually only increases your effective brightness by 2%. Can't remember the link but maybe DD will chime in.
This is the article: 2:35 Constant Image Height - Lens vs Zoom

Quote:
The first set of results are in. A calibrated 2.39 image via the anamorphic lens delivers a measly 1.4% more light output to the screen. This first test came from a JVC projector on the same screen and same viewing conditions. The lens used was a $6000 Schneider lens. This 1.4% difference cannot be seen by the human eye. It is like going from 100 light bulbs in a room to 98 bulbs.

The second set of results are in; this time with the Epson and a Panamorph system. The difference this time is 9% in favor of the Panamorph lens versus the zoom memory on the same projector. This is more than on the JVC, but still below the visible threshold. The eyes are simply not sensitive to this type of difference. The human eye can readily detect light output changes closer to a 30% difference. They cannot see this type of difference in light output performance. But the difference between a 720p image and a 1080p image is easier to see given normal viewing distances.

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Old 01-27-2016, 11:44 AM
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Excellent, thanks for the info guys. My money will go towards a better PJ now!
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Old 01-28-2016, 02:31 AM
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A friend of mine had an ISCO II lens, and when he upgraded his JVC to a newer one with eshift (RS49), he compared the image with the A lens to the eshifted image, and couldn't tell the difference, so he sold the lens. With standard 1080, the main difference is the increase in pixel density the lens gives you (using around 500,000 more pixels to render the image). Most people buy a lens for the increase in image quality that it gives over zooming.

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Who says Cameron is "right" and why do we care about him so much - lol!

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Old 04-11-2016, 11:15 AM
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I was at The Savoy on Saturday and enjoyed watching The Force Awakens.

Before the movie, David and I did some black level measurements off the screen using a Colorimetry Research CR-100. It is not only a colorimeter, but also a highly accurate photometer. First we measured maximum brightness at 16:9 and 2.37 aspect ratios. The CR-100 was placed 12" from the screen.

16:9, iris open - Low bulb is 17.9 fL, High bulb is 26 fL
2.37, iris open - Low bulb is 10.8 fL, High bulb is 15.5 fL

We then set 16:9 to Low bulb, iris at -5, for 14.5 fL.

Manual Iris - .0006705 fL and contrast ratio of 21,625:1
Auto 1 - .0001613 fL and contrast ratio of 89,891:1
Auto 2 - .0001910 fL and contrast ratio of 75,916:1

At 2.37 it was set to High bulb, iris at -1, for 14.5 fL

Manual Iris - .0005593 fL and contrast ratio of 25,925:1
Auto 1 - .0001629 fL and contrast ratio of 89,012:1
Auto 2 - .0001633 fL and contrast ratio of 88,794:1

At the very brightest setting (16:9, high bulb, iris at 0, iris on Auto1) the contrast ratio was 115,299. The black level was .0002555 fL.

What stands out is that at low bulb set to 14.5 fL for a 16:9 image and for high bulb set to 14.5 fL for 2.37 image, the black levels and contrast ratio are almost identical!
16:9, low bulb: Auto 1 - .0001613 fL and contrast ratio of 89,891:1
2.37, high bulb: Auto 1 - .0001629 fL and contrast ratio of 89,012:1
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Old 04-13-2016, 06:37 PM
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David's room has the deepest, darkest black levels I've ever seen. There was no visible residual light level at full black, and a barely-visible residual black level in mixed content. This was OLED looking, actually.

Cheers,
Chris
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Old 04-13-2016, 06:50 PM
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That's saying a lot!

Sounds like a great setup (screen and projector) and calibration job (@Desertdome)
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Old 04-20-2016, 05:23 PM
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since when did monoprice start selling JVC equipment?
http://www.monoprice.com/product?p_i...160419_tuesday

$4,900 for the JVC RS67U in my e-mail spam list.
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Old 06-04-2016, 08:01 AM - Thread Starter
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Made a pretty cool upgrade in the theater. I've had an Amazon Echo upstairs for a while that controls all the lighting and also the 2 channel audio setup upstairs via voice commands. I use all Insteon switches in my house and use Indigo software to control the whole Insteon system. JRiver works really well with audio...so if I say, "Alexa tell 'house band' to play songs by Metallica" it starts playing Metallica songs. Follows voice commands really well. Well, last week I just received my Amazon Dot which is a smaller Echo. I placed the Dot up in the crown molding in the Savoy. Now I can control all the lights in the Savoy like, "Alexa turn off all Savoy lights' or 'turn on movie mode." In Indigo you can setup action groups and virtual devices to execute with the Echo. So besides all the lighting control, since I run JRMC in the theater, I can also say, "Alexa, play the movie Ratatouille." Some of the voice recognition for video doesn't work quite right but for the most part is works really well and I'm sure it's only going to get better.

If only I could rename Alexa to Jarvis.
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Old 06-04-2016, 08:18 AM
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That's cool!

Can you turn it back off with Alexa? Can it hear through moderate volume music?
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Old 06-04-2016, 08:46 AM - Thread Starter
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Quote:
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That's cool!

Can you turn it back off with Alexa? Can it hear through moderate volume music?
The Echo and Dot are quite impressive picking up voices with their far field microphones listening at all times. The Dot in the Savoy can pick up voice commands at probably 15-20db below reference perhaps. Usually, however, I have just been hitting the space bar on the keyboard which pauses any media playing and then you can say your command.
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Old 06-04-2016, 12:41 PM
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I know that @Stoked21 here in KC is doing something similar with an echo in his basement. My HTPC is always on, so I'm wondering if I could do something like that with Cortana on Windows 10. I don't have insteon, I use a Smartthings Hub.
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Old 06-04-2016, 05:58 PM
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Dave, that's awesome! A couple years ago, I found myself researching ways to rig an Xbox Kinect to control jriver on the computer. You, good sir, have solved this problem. Although I'm shifting away from Jriver for movies, it's still In very heavy use for music and this Alexa voice control is just what the doctor ordered. We need a petition to convince Amazon to license Jarvis (along with Paul Bettany's voice) for its voice control devices.
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Old 06-05-2016, 03:34 AM
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Quote:
Originally Posted by dlbeck View Post

If only I could rename Alexa to Jarvis.
I love the Echo as well. Surprised there is not a routine available somewhere that allows for renaming. BTW, I have a daughter named Alexa , so of course we use 'Amazon' as the name. Sigh.
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Old 06-05-2016, 06:10 AM
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Old 06-05-2016, 09:15 AM
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I run 15-16 Philips Hue lights. 4 behind screen to illuminate subs and mains, one in bar, 4 in lounge, 4 in theater part, one on popcorn and even an under riser rope.

All controlled via Echo. I literally tell her to "theater 10%" "turn the bar off" "screen on". It's placed behind mlp on my NF. But if at reference, she can't normally hear u unless u lean between chairs and shout at her. But I run SimpleControl to so my iPad is always up for light control if I don't want to mute or pause movie
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Old 06-06-2016, 06:45 AM
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Quote:
Originally Posted by Stoked21 View Post
I run 15-16 Philips Hue lights. 4 behind screen to illuminate subs and mains, one in bar, 4 in lounge, 4 in theater part, one on popcorn and even an under riser rope.

All controlled via Echo. I literally tell her to "theater 10%" "turn the bar off" "screen on". It's placed behind mlp on my NF. But if at reference, she can't normally hear u unless u lean between chairs and shout at her. But I run SimpleControl to so my iPad is always up for light control if I don't want to mute or pause movie
And don't you say "Alex" instead of "Alexa"?

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Old 06-06-2016, 08:39 AM
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And don't you say "Alex" instead of "Alexa"?
There are several things I want to call her! She won't respond or gives some snotty answer! I call her "echo"
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Old 06-06-2016, 11:37 AM
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You guys are welcome up anytime. If you can get a car full head up and weekend. Just tell me when.
What!? You're in Des Moines! Holy crap I didn't think I would see anyone else in my area here on the forms West Des Moines here!

Very nice theater. You actually have the chairs I was eyeing at Home Makers last week. Those things are so nice!

My build thread: The Unprofessional Build

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Old 06-06-2016, 01:04 PM
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What!? You're in Des Moines! Holy crap I didn't think I would see anyone else in my area here on the forms West Des Moines here!

Very nice theater. You actually have the chairs I was eyeing at Home Makers last week. Those things are so nice!
I haven't heard Dave's theater personally but knowing the equipment used and some of the people involved in design and calibration, it is one of the nicest theaters I've read about on AVS.

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Old 06-06-2016, 02:30 PM - Thread Starter
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What!? You're in Des Moines! Holy crap I didn't think I would see anyone else in my area here on the forms West Des Moines here!

Very nice theater. You actually have the chairs I was eyeing at Home Makers last week. Those things are so nice!
DeathDream - check out the IA Meet thread. Most of the active participants in Iowa are on that thread and that's where we post events or movie nights.
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Old 06-29-2016, 07:53 PM - Thread Starter
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Old 07-18-2016, 04:58 PM - Thread Starter
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Sold my JTR S2's today! Called Jeff and he said the new S2's will be ready in 3 weeks...looking forward to the upgrade
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Old 07-18-2016, 05:23 PM
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I think I saw you post that it should be a 3-4 db improvement? That's pretty significant.

Last month I did a John wick demo for a group of friends, and while it was really good I felt like it was missing something... I've done that scene for demos so many times and it always makes me involuntarily laugh. Not this time. The next day I checked all my settings and couldn't find anything wrong so I figured it was just my imagination.

Fast forward to recently when I was setting up Dirac. I noticed that one channel of my cv 5000 amp was down a few clicks. It was the channel for the 4 subs in the corner where 2 concrete walls meet. I turned the gain back to full and checked the difference and it was 3 ish db's. No idea how the gain was turned down, I assume I accidentally did it when I was adding the new Crown amp to power the mains awhile back.

So, long story short, you will notice the increased head room for sure. :sunglasses:
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Old Today, 09:46 AM - Thread Starter
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Well spent all morning removing the S2's from behind the screen. So to pull them out of the baffle wall I had to also remove the left & right 212's, the MBM's and all the insulation. Hope the new S2's are worth it .

New subs ready to make the trip to their new owner....gonna miss these subs
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