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HaydnG90
Joined: 22 May 2006
Posts: 1356
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| Posted: Mon Feb 13, 2012 12:07 am Post subject: |
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So I tacked the samples to the frame of the existing Studiotek 130 screen and also stuck them on top of the old HP fixed screen. This is what I saw which was a little interesting but not completely unexpected considering the new texture.
On axis the new HP looks to have a lower gain compared to the 12 yo material. Off axis there wasn't much difference in brightness. Compared to the ST130 the new HP material offered less gain. It did have a 'cooler' look too which has already been mentioned.
IMO the new version performs noticeably worse compared to the original HP and its still not the best choice for a ceiling mounted pj installation. The observations in Spanky's link are in line with what I saw.
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Spanky Ham
Joined: 22 Mar 2006
Posts: 5643
Location: Comedy Central
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| Posted: Mon Feb 13, 2012 12:17 am Post subject: |
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So you consider it worse as a retroreflective screen as well?
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HaydnG90
Joined: 22 May 2006
Posts: 1356
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| Posted: Mon Feb 13, 2012 1:05 am Post subject: |
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Yes, worse in terms of gain performance and that may be due to the texture in the material causing the light to reflect at variable angles rather than focussed along a common axis. The overall signature or characteristics of the projected image were about the same just a little darker on axis.
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Mon Feb 13, 2012 5:13 pm Post subject: |
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| HaydnG90 wrote: | So I tacked the samples to the frame of the existing Studiotek 130 screen and also stuck them on top of the old HP fixed screen. This is what I saw which was a little interesting but not completely unexpected considering the new texture.
On axis the new HP looks to have a lower gain compared to the 12 yo material. Off axis there wasn't much difference in brightness. Compared to the ST130 the new HP material offered less gain.The observations in Spanky's link are in line with what I saw. |
no there not.
ST 130 G3 on - 1.27 off -1.19
Dalite HP on- 1.86 off- .96
the HP should have been 31% brighter on axis and then slowly falling off from that figure to 19% dimmer fully off axis. However different materials have different "ambient light rejection" spec's so any kind of room problems like a White ceiling , floor, or light colored walls would change the numbers significantly.
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HaydnG90
Joined: 22 May 2006
Posts: 1356
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| Posted: Mon Feb 13, 2012 5:31 pm Post subject: |
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I was referring to the gain off axis being less for the HP vs the ST130 ie the latter was brighter from the seating position. So the results in the report mirror my observations for both the newer and older HP material where they report a value of 0.96 vs 1.19 off axis respectively.
I would love to be able to say the HP was a good option for a ceiling mounted pj, but in my setup, which is not atypical, the off-axis performance means I can't recommend it. If I ever go back to a floor mounted arrangement I'll be using the HP screen.
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Mon Feb 13, 2012 7:30 pm Post subject: |
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| HaydnG90 wrote: | | I was referring to the gain off axis being less for the HP vs the ST130 ie the latter was brighter from the seating position. So the results in the report mirror my observations for both the newer and older HP material where they report a value of 0.96 vs 1.19 off axis respectively. |
OK. So to summarize if you can find a Studiotek screen for less than the $3K retail price it's a very good choice. Otherwise a $300. Dalite High Power isn't terrible by any means. 
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HaydnG90
Joined: 22 May 2006
Posts: 1356
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| Posted: Mon Feb 13, 2012 8:11 pm Post subject: |
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I never said the HP was terrible. I'm merely stating observations from a performance perspective.
If I could have been happy keeping the HP on the wall I would be using it, but after using it for many years with 2 floor mounted pjs, I knew what I was missing.
Instead I bought a used 100" diagonal ST130 fixed screen for $500 and at that price could easily justify the switch. No way I'd be paying retail for a Stewart screen and if price was the main consideration I'd put up with the compromises the HP material presents or figure out a better way to reduce the angle the pj the the screen. Unfortunately in my HT it was ceiling or nothing.
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Fri Feb 24, 2012 8:59 pm Post subject: |
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amazing what a few gallons of Latex paint can do. There's very few times in your life where the mundane and crappy job of painting can be so rewarding as the HT.
Oh except for the "Baby's room" of course 
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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Phoenixed
Joined: 13 Oct 2011
Posts: 514
Location: The mitten
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| Posted: Fri Feb 24, 2012 11:58 pm Post subject: |
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| Nashou66 wrote: | Is that paneling behind the screen? pic with lights on please! 
Nashou |
Most certainly is. First time remodeling it we tried to take it off, then mudding it, and finally We gave up and just painted it.
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Planar PD-8150/Runco LS-5
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Spanky Ham
Joined: 22 Mar 2006
Posts: 5643
Location: Comedy Central
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| Posted: Wed Mar 14, 2012 2:47 pm Post subject: |
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I wanted to bring this back up. I was looking around at AVS and found my buddy millerwill's comments on the new High Power. He said that Draper applied some of the things they learned making Joe Kane's screens to the HP. He said the gain is lower, but he still loves the screen. He was using a JVC with it and now has the new Sony 4k pj matched to it.
The real reason I bumped this is for Dragan. Someone over at AVS posted his experience of buying a HP in the DIY screen forum. Here is what he said:
| Quote: | | OK. I had a Da-lite Highpower that was damaged. I looked at all options and nothing will replace a Highpower other than a Highpower. Talked to my dealer where I bought my last screen and found the fabric was more expensive than a model c pulldown. Told dealer this makes no sense since the model c case is substantial. She agreed and started calling Da-lite. The person she spoke with confirmed that model c was cheaper than just fabric. Shipping was going to be $114. I asked if they could cut the fabric out of the casing to save shipping cost. She finally spoke to someone at Da-lite that told her I needed to order a replacement fabric. They even have a part # for fabric only but you must ask for a replacement fabric. I ordered a 139"x78" and cut it down to a 139" wide scope screen. I then built a frame and found an easy way to do this and it turned out incredible. This screen shipped was cheaper than a piece of laminate this size. Anyone thinking about this need to go ahead and do it. |
I don't know how much he was looking at for a laminate, but my guess is the High Power must have been less than $150.
I won't link to the thread, as it has devolved into an argument between me and the DIY screen salesmen. 
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Wed Mar 14, 2012 6:25 pm Post subject: |
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well it's certainly a screen material that has it's followers. The rest have found a characteristic of the material they don't like for whatever reason.
I'm glad they're still making it, someone told me they were dropping it?
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Spanky Ham
Joined: 22 Mar 2006
Posts: 5643
Location: Comedy Central
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| Posted: Wed Mar 14, 2012 11:49 pm Post subject: |
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I haven't heard that they are dropping it. They came out with the new HP and added to that with the HPHC. I was just happy to find out that you could get the material by itself. If (when) I go digital, then the HP is going to be at the top of my list for a screen.
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Phoenixed
Joined: 13 Oct 2011
Posts: 514
Location: The mitten
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| Posted: Thu Mar 15, 2012 2:38 am Post subject: |
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It has a "CULT" following...
prolly indoctrinated.
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Planar PD-8150/Runco LS-5
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Phil Smith
Joined: 08 Mar 2006
Posts: 7717
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| Posted: Mon Mar 19, 2012 2:33 am Post subject: |
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Everyone knows a HP screen is brighter because it concentrates the projected light into a smaller viewing area. So if the screen is not directional and looks good from every angle, it can't possibly be a HP screen.
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Phil Smith
Joined: 08 Mar 2006
Posts: 7717
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| Posted: Mon Mar 19, 2012 2:35 am Post subject: |
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Oops! I just read the first page. I didn't notice there were 2 more. Sorry if that's already been covered.
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