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Calculator Pro and VPL-VW60 specs for 120 inch screen

post #1 of 7
Thread Starter 
I'm looking to switch out my current 1080i CRT projector for a new 1080p unit. Main reasons switching are my inability to properly perform a convergence reacalibration (or the cost of paying someone to do it every year or two, and even finding someone who can do it properly) and adding 1080p video sources like a Blu-Ray DVD player.

At first I was enamored with the Sony VPL-VW50, and then of course the VPL-VW60, but when I went to ProjectorCentral.com's Calculator Pro I found that units like these would be far from ideal for my setup primarily due to screen size. I have a 123 inch screen (107 x 60), 1.3 gain, (I inherited this fixed mount screen when I bought this house and it's branded Vidikron but I haven't been able to find anything on Vidikron screens on the web - I thought they just made projectors). I ceiling mount my projector 13 to 15 feet from the screen (there's a header mid-room that prevents putting the screen futher back). First row of seats are 15 feet from the screen (could go back to 18 feet), with a second row behind them (probably 23 feet). The room is fully dark during viewing (with dark gray walls) but the calculator still recommends a brighter unit (or a highter gain screen, and I don't want to go there until I upgrade to a 2.35:1 setup), even though the Sony literature says the projector works with screens up to 300 inches. So I'm a little confused and concerned.

Any expert opinions or recommendations would be appreciated. How important is it to stay withing the parameters of the Calucular Pro? Has anyone used a VPL-VW50 on a 120 inch 1.3 gain screen and if so how pleased were you, and what was your throw distance? Mine would be around 14 feet. Also, a friend of mine is getting rid of a nice Runco 720p projector but I'm wondering if that in fact would be a bit of a step backwards for showing Blu-Ray content on a 120 inch screen. If not, that would be a nice projector to try, especially with an anamorphic lens when I'm ready for that.

Thanks in advance!
post #2 of 7
I had my VW50 projecting onto a 119" high power. Because I ceiling mounted the projector on high ceilings, it essentially eliminated the gain. Based upon the HP gain calculator ( in the HP thread) I was really only getting a 1.2 -1.3 gain.

I always used the pearl in low lamp mode. It was plenty bright. Apparently the VW60 is even brighter. You'll likely find that the easiest transition from CRT to digital will be the Lcos projectors.
post #3 of 7
I have just started shopping for a new projector as well and the Calculator on that web site has me confused... I have used that projector calculator with many of the new projectors comming out... There doesn't seem to be a corrolation between manufacturers stated lumens to the final FL produced by that calculator.

The new Mitsubishi projector rated at 1000 lumens (14FL) blows away other projectors rated at 1500, 1600 lumens at the same distance\\size screen? The VPL-VW60 (900 lumens) with the same entries comes up with 6FL

how is the 100 lumens differnce get calculated out to 14FL for the 1000 lumens projector and 6FL for the 900 lumens rated one?

My current projector is the Sony VPL HS-20 and it was rated at 1400 lumens... it is ok on brightness, but definatly need a projector that is at least as bright.
post #4 of 7
i am right at 15 feet with my WV60 and 120.5" screen.
post #5 of 7
Thread Starter 
Thanks joerod. I checked out your equipment in your profile and I noticed you use a Vutec Silverstar VisionX screen - I checked their website and those screens have a 6.0 (wow!!) gain. I really don't want to change screens yet and I'm hoping my 1.3 gain will be fine. Seems to work for RobZ. When I do change screens it will be to a 2.35:1 or 2.4:1 aspect ratio and I noticed Vutec makes those. Any idea how much they go for (129 inch diagonal Silverstar 2.35:1)?
post #6 of 7
They claim 6.0 gain but most people actually measure them closer to 3.0 which is still very bright...
post #7 of 7
Quote:
Originally Posted by helmsman View Post

At first I was enamored with the Sony VPL-VW50, and then of course the VPL-VW60, but when I went to ProjectorCentral.com's Calculator Pro I found that units like these would be far from ideal for my setup primarily due to screen size. I'm a little confused and concerned.

I am planning an RS1 / VW60 on a 127"W 1.3 gain 2.35:1 CIH screen. I use Carlton Bale's spreadsheet, a really excellent piece of work. My room is fully light controlled, aka a "man cave" or "bat cave". I plan on putting an anamorphic lens on the mix too.

Using the RS1 700 lumen rating, I show 25.3 Ft-Lamberts in my 1.78 configuration - more than enough. My throw is about 20'.

I had this confirmed through a professional room designer as well.

I don't know what drugs ProjectorCentral's calculator is on, but I can't get their numbers to agree with anything I understand.

Your mileage may vary, consult a professional before attempting, etc etc etc.
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