Deadline Has Been Set (and Re-Set...) Theater Build - Page 10 - AVS Forum
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post #271 of 534 Old 12-04-2012, 10:12 AM - Thread Starter
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Hi 235. The PJ will be mounted under the rear soffit. I have the Peerless universal mount to attach it. The lens will be centered horizontally for CIH.
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post #272 of 534 Old 12-04-2012, 11:08 AM
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Originally Posted by GWCR View Post

Hi 235. The PJ will be mounted under the rear soffit. I have the Peerless universal mount to attach it. The lens will be centered horizontally for CIH.

Are you going with the 120" wide 2.35 screen?
What is your throw distance?
If I interpret the Panasonic specs correctly 16' 4" would be the furthest mounting point for that size screen.
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post #273 of 534 Old 12-04-2012, 12:38 PM - Thread Starter
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Yep. 120" 2.35. Throw distance will be right around 18'. If you go to the projector calculator on projector people . com for the Panny 8000, it gives you the range for whatever your screen size. My recommended throw is 18', but it gives me a range of 13'6" to 27'.
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post #274 of 534 Old 12-04-2012, 12:58 PM
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I wonder why the Panasonic document gives a different value. Check out the last page from this document:

ftp://ftp.panasonic.com/pub/Panasonic/business/projectors/manuals/PTAE8000U_Operating_Instructions.pdf
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post #275 of 534 Old 12-04-2012, 01:31 PM - Thread Starter
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I don't see anything about throw distance on the last page of that pdf. However, on page 23 there are throw distance formulas. Using those formulas, PP is pretty much dead on. For example, my 2.35 screen will be 130" diagonal. For their formulas everything is in meters, so that converts to 3.302m diagonal. Here are the formulas.

Minimum Throw
Diagonal(m) x 1.256 - .04
3.302 x 1.256 = 4.147312 - .04 = 4.107312m
Converted to feet is 13.475433071ft

Maximum Throw
Diagonal(m) x 2.512 - .05
3.302 x 2.512 = 8.294624 - .05 = 8.244624m
Converted to feet is 27.049291339ft
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post #276 of 534 Old 12-04-2012, 02:08 PM
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Sorry, I included the wrong link. Here's the right one, however as you indicated page 23 from that doc has the same throw distances table.

ftp://ftp.panasonic.com/pub/Panasonic/business/projectors/brochures/PTAE8000U_Brochure.pdf

The formula you used in the calculation above are for a straight up 2.35:1 sizing. In their document they don't appear to include the formula to use when zooming between 2.35 and 16:9. They do however have 3 tables, the third table shows the throw distances when setting up for zooming. If you check the last table from the brochure document they imply that the diagonal measurement to use is based on the 16:9 measurement ("Projection Size [16:9]"). In the case of a 120" wide 2.35 screen I think the 16:9 (ie non-zoomed) diagonal would be about 104". If you extrapolate that from the 100" value in the table then that takes you around 16' 4" as the max throw......unless I'm missing something?
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post #277 of 534 Old 12-05-2012, 06:52 AM - Thread Starter
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Interesting. All I can tell you is I had it about 18-19 feet from the front wall, and I zoomed it to the size of the actual screen. There was plenty of room in the zoom to go larger too. I'm chalking this one up to actual performance vs. confusing brochures. Actual wins. biggrin.gif

EDIT: You may get better info in the Official Panasonic 8000 Owners thread here.

http://www.avsforum.com/t/1432437/official-owners-thread-panasonic-pt-ae8000u-us-version-pt-at6000e-european-version
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post #278 of 534 Old 12-05-2012, 09:02 AM
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That's great! Reality definitely trumps a marketing brochure biggrin.gif
I just found this on their web site. According to this one your max throw would be 20' 5". I'm planning to put my PJ in the rear soffit, did you intentionally avoid doing that for any particular reason? Thx.
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post #279 of 534 Old 12-05-2012, 09:20 AM - Thread Starter
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Yes, hanging was intentional rather than in the soffit or a hush box. Airflow was one reason. This way I don't have to build any extra exhaust/cooling mechanism. So I guess I took the easy way out.cool.gif
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post #280 of 534 Old 12-09-2012, 07:09 PM - Thread Starter
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Stage is complete! I was able to get it finished up this weekend, and I have to say that thing is SOLID! Feels like walking on concrete. 3,000 lbs of sand total in all the stage cavities. At that point I decided not to put any sand in the step, and used insulation instead in that space as I've seen others do (and I was tired of messing with the sand...tongue.gif). I used 2 layers of 19/32 OSB for the deck and step. First layer glued and screwed to the frame, then Green Glue and layer number two. Went through a large amount of screws, but it is uber solid. I went with a 1-1/4" lip, and used a 1/2" round-over on the top layer.





Stage wouldn't be complete without a pic of the wonderful custom tool for marking the curve for the lip.



That little thing is brilliant. Thanks to Big and everyone else who has shared this tool. Makes marking the curve a piece of cake.

Going to work on wiring this week, and then the screen wall once the screen gets here. It's supposed to ship Monday...
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post #281 of 534 Old 12-09-2012, 07:21 PM
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great job looks good!!! what screen did you decide to go with?
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post #282 of 534 Old 12-09-2012, 07:44 PM
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That looks great! Nice work!

The Austin Home Theater:
A DIY high school project (now complete and being enjoyed everyday)

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post #283 of 534 Old 12-10-2012, 03:24 AM - Thread Starter
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great job looks good!!! what screen did you decide to go with?

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Originally Posted by aaustin View Post

That looks great! Nice work!

Thanks guys. I ordered a Jamestown screen with SeymourAV Center Stage XD material, 120" wide 2.35:1 AR back on October 29. It is now supposed to ship today after being pushed back 3 times. I'm not complaining since I wasn't ready for it anyway. By all accounts, it is a good product and I'm sure it will work fine for me. Just be aware that if anyone orders from them, you have to stay in touch once the original ship date passes. Squeeky wheel kind of thing.
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post #284 of 534 Old 12-10-2012, 05:34 AM
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Sorry to hear you are dealing with the same issue with Jamestown. Since they missed getting me mine by Thanksgiving I haven't been in a big hurry to put it up. I'm thinking it might go up this weekend though after I get carpet. Will be interested to see what kind of quality lies within that box.
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post #285 of 534 Old 12-10-2012, 08:39 AM
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Being done with the sand has to be a good feeling. Looks great! cool.gif
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post #286 of 534 Old 12-10-2012, 08:47 AM
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How did you get that last bit of lip near the wall (or the rest of the stage for the step) cut off and rounded? My jigsaw and router are too big and I can't get to that last inch or so that I need.

Visit the Lipszyc Home Theater! 1.0
2.0 done and finally posted! - Theater 2.0

And now...The Queen City Theater (3.0)
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post #287 of 534 Old 12-10-2012, 08:58 AM
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I routed the lip on my stage pre-install. I was tipped off before I started that I wouldn't be able to get all the way to the wall. I also routed the bottom of mine which I couldn't have done in place. I assume you've already installed it? Are you putting up any fabric panels on the walls that might cover where you couldn't reach?
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post #288 of 534 Old 12-10-2012, 10:33 AM
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It would've been much better had I done it pre-install, but didn't think about it and actually think it might have been a bit harder to match up, but maybe not. Guess I'll look into one of those oscillating tools perhaps.

Visit the Lipszyc Home Theater! 1.0
2.0 done and finally posted! - Theater 2.0

And now...The Queen City Theater (3.0)
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post #289 of 534 Old 12-10-2012, 10:33 AM - Thread Starter
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Being done with the sand has to be a good feeling. Looks great! cool.gif
Thanks Nick. Feels so good to be done with the sand. Not sure I would even be excited to go to a beach at this point...rolleyes.gif
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post #290 of 534 Old 12-10-2012, 10:35 AM - Thread Starter
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Originally Posted by blipszyc View Post

How did you get that last bit of lip near the wall (or the rest of the stage for the step) cut off and rounded? My jigsaw and router are too big and I can't get to that last inch or so that I need.
I cut and routered the ends of the stage and step pre-install.
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post #291 of 534 Old 12-10-2012, 10:38 AM - Thread Starter
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Sorry to hear you are dealing with the same issue with Jamestown. Since they missed getting me mine by Thanksgiving I haven't been in a big hurry to put it up. I'm thinking it might go up this weekend though after I get carpet. Will be interested to see what kind of quality lies within that box.
Yeah, I've been less than impressed with the communication. Hopefully the quality makes me forget about the long lead time. Can't wait to see your room with carpet and screen. Exciting times ahead!
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post #292 of 534 Old 12-10-2012, 10:52 AM
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You could always try a belt sander if you have one. Oscillating tool might get you close and then you could sand it by hand to smooth it out.
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post #293 of 534 Old 12-10-2012, 10:54 AM
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Yeah, I've been less than impressed with the communication. Hopefully the quality makes me forget about the long lead time. Can't wait to see your room with carpet and screen. Exciting times ahead!

Pretty much feel the same way. If the product is good then I can overlook some of the hurdles along the way. I still would tell anyone looking at Jamestown with the centerstage material to order well in advance of when they want it.

You and me both! Hope I'm ready in time.
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post #294 of 534 Old 12-11-2012, 06:38 AM
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Man that stage is lookin niiice!
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post #295 of 534 Old 12-11-2012, 08:29 AM - Thread Starter
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post #296 of 534 Old 12-18-2012, 07:19 PM - Thread Starter
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A little late with a weekend update, but here it is. Had some time Sunday to put up the screen......wall. I initially planned on doing the minimalist goal post version, but had lots of 2x4s laying around from the house construction so decided to use those instead. Only had to go get 2 extra 12 footers, so in all the screen wall build cost me about $9 in materials. Here's the pics.





Everything is nice and plumb and level so I am very happy with how it turned out. The screen should hang perfect.

Speaking of the screen, the Jamestown screen also came in. I unboxed it to make sure it was the right size and see how it would mount so I could build the screen wall. Everything checks out, and it looks like it will be a solid screen and easy to assemble/install.

I hope to get most of the wiring done this week, and maybe start on the columns. Lots of family stuff this weekend, so I want to get as much done between now and then as possible.
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post #297 of 534 Old 12-18-2012, 07:42 PM
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Nice looking wall. Glad to hear your Jamestown is the right size. My 2nd one came and will be going back because of wrong dimensions again. Good thing I'm not in any rush and James has been paying for all the shipping. Now get that screen and PJ going so you can give us some feedback on the video biggrin.gif
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post #298 of 534 Old 12-18-2012, 08:03 PM
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nice job looks great
what size screen you going with again ?
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post #299 of 534 Old 12-18-2012, 08:10 PM - Thread Starter
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Quote:
Originally Posted by 235 View Post

Nice looking wall. Glad to hear your Jamestown is the right size. My 2nd one came and will be going back because of wrong dimensions again. Good thing I'm not in any rush and James has been paying for all the shipping. Now get that screen and PJ going so you can give us some feedback on the video biggrin.gif

Thanks! Looking at that wall really makes me wish I had more time to work on the room during the week. I want movies!!

Sorry to hear about your screen for a 2nd time. Hopefully this time it's correct.

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nice job looks great
what size screen you going with again ?

Thanks! 120" wide 2.35:1 is the screen size. Not a lot of room left between the sides and the walls biggrin.gif
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post #300 of 534 Old 12-18-2012, 08:19 PM
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Nice job on the stage and screen wall, GWCR. I'll be keeping an eye out for column updates.wink.gif
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