Black Widow Ultra™ Development - Page 23 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #221 of 235 Old 12-14-15, 01:04 PM
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granfromnowhere
 
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Re: Black Widow Ultra™ Development

Hi everyone, just a quick question about the auto-air aluminium base fine and batch numbers. I've just purchased a bottle with a code number 1aa-c15.05 05 (01). Can you tell me if this is an old batch or new? I'll be making the UK version of black widow but want to make sure I know the correct matte (either Bermuda beige or a dulux steel grey) to mix in before I buy it. Will I be making black widow or black widow ultra with this bottle? Advice much appreciated. Might let you see my cinema when it's finished

Last edited by granfromnowhere; 12-14-15 at 01:05 PM. Reason: missed a bit
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post #222 of 235 Old 03-22-16, 03:05 PM
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Re: Black Widow Ultra™ Development

Hi guys!
Dear mech and Yiannis 1970, after reading many pages of the forum, I can not understand what the formula for the Black Widow is the latest and most effective for viewing on DLP BenQ W750 screen 80" in the room with complete control of lighting?
Dulux 00NN 53/000 grey steel 2 + AAA in the 4: 1, all right? Perhaps I should choose Dulux 00NN 62/000? How do you think?
Please help me understand. Thank you!
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post #223 of 235 Old 03-23-16, 04:02 AM
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Re: Black Widow Ultra™ Development

Hello!

You don't need the extra gain of the black widow with such a small frame. I would suggest to go with a N7-N8 OTS matte or flat gray.
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post #224 of 235 Old 03-23-16, 03:15 PM
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Re: Black Widow Ultra™ Development

Yiannis, thanks for the advice!
I read some more posts Harpmaker and realized that an increase in the gain of the screen in my case came to nothing lead. Contrast can not be increased. But I would like to get deeper blacks.
Please advise me, what kind of paint should I use - Dulux, Beckers or Tikkurila (I chose the color RAL 000 75 00)?
Thanks you!
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post #225 of 235 Old 03-24-16, 04:30 PM
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Re: Black Widow Ultra™ Development

This might help you:

http://www.hometheatershack.com/foru...-finishes.html

If you are going by RAL, ask for 7038 or 9006.
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post #226 of 235 Old 05-20-16, 07:29 PM
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Re: Black Widow Ultra™ Development

hi there,
I am a little confused as which ral code should I use.

my pj is pf1500g which is 763 lumens (high & calibrated)
I will project it to 86.7 inch screen. (192 cm diagonal)
throw distance is 279 cm (9.5 feet)

the room has 2 light sources, set away from pj and light is indirectly reflecting to wall and floor.(dimming adjustable as well)
in the day time lots of light enter the room.
I want to use the projktr both for watching TV and movie. (mostly at night)

how dark should I go for choosing gray? thanks guys.
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post #227 of 235 Old 05-25-16, 03:12 PM
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Re: Black Widow Ultra™ Development

RAL 7038.

Not sure that i understood well which projector you have.
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post #228 of 235 Old 05-28-16, 04:31 AM
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Re: Black Widow Ultra™ Development

thanks yiannis, it is lg led pj pf1500
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post #229 of 235 Old 07-24-16, 01:13 PM
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Re: Black Widow Ultra™ Development

Hi All. New here, first post!
Im from Sweden in Europe

i recently bought an Epson EH-TW 9200W (6030UB in US)

im setting this up in my living room, with white ceiling, ambient light from left (hallway) and some from the right from windows, have blackout curtains tho.

have the PJ 3.4m from PJ Wall, im going to paint the whole wall in BW paint. measuring around 110" in projectionscreen on the wall

Im also a bit confused, have googled BW paint in and different setups/mixes in a couple of weeks, and cannot make up my mind wich base that will be the best for me!

Im a big fan into 3D movies, and what i have read its a difference in basecolor if im going 3d or non 3d base? is that correct?

in evening/night its almost complete black in here, besides from the roof that is painted white.
I will have my PJ calibrated after the screen is done painting from a friend that is working as an ISF calibrater.

hope you guys have time to look into this post and tell me in the right way.
Thanks.
//Chris

Last edited by Coffe81; 07-24-16 at 01:35 PM.
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post #230 of 235 Old 07-28-16, 09:24 AM
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Re: Black Widow Ultra™ Development

Hello Coffe81 and welcome to the forum!

Well, let's see...9200 outputs calibrated about 600+ lumens. Your screen is 3.36 square meters. With a 1.0 gain screen, you 'll have 600:3,36 = 178,5 lux aka 56,8 nits. So, i believe the best choice for you is to go to white paint or screen.
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