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Forum: Digital Projectors - Under $3,000 USD MSRP   08-09-2014, 09:17 AM
Replies: 681
Views: 129,829
Posted By omholt
I bought a used HW15 recently. I was wondering if...

I bought a used HW15 recently. I was wondering if anyone can give some tips regarding calibration and settings. I understand a projector is best calibrated individually in the room, but I assume...
Forum: Ultra Hi-End HT Gear ($20,000+)   05-02-2014, 12:00 AM
Replies: 216
Views: 14,568
Posted By omholt
I have surround working now with my Lynx Two-B...

I have surround working now with my Lynx Two-B soundcard. Still a lot of things and settings I'm wondering about but at least it's working. The nice thing about Lynx Two-B which I didn't know before...
Forum: 2.35:1 Constant Image Height Chat   04-24-2014, 12:48 AM
Replies: 13
Views: 623
Posted By omholt
I ended up ordering a 98" 2.40 Screen Excellence...

I ended up ordering a 98" 2.40 Screen Excellence 4K fixed screen. I could have maybe gotten 104" but considering that chance of changing to other speakers and thus having to place the screen closer...
Forum: 2.35:1 Constant Image Height Chat   04-21-2014, 02:26 PM
Replies: 13
Views: 623
Posted By omholt
Excellent guys. This is very helpful. A 98"...

Excellent guys. This is very helpful. A 98" Screen Excellence fixed 2.35 screen shouldn't be a problem for me then and I might even consider 104".
Forum: 2.35:1 Constant Image Height Chat   04-20-2014, 11:20 PM
Replies: 13
Views: 623
Posted By omholt
Quote:Originally Posted by...

Quote:Originally Posted by chrisreeves http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1528234/do-we-tolerate-bigger-screens-for-2-35-then-16-9#post_24628752)

I find a...
Forum: 2.35:1 Constant Image Height Chat   04-20-2014, 02:01 PM
Replies: 13
Views: 623
Posted By omholt
I'm about to purchase a Screen Excellence 4K...

I'm about to purchase a Screen Excellence 4K fixed screen in 2.35 or 2.40 format. I'm uncertain about the size. Distance from eyes to the screen is approximately 9,1 feet (2,8 m). I know from...
Forum: Screens   04-01-2014, 10:05 AM
Replies: 6
Views: 346
Posted By omholt
Quote:Originally Posted by...

Quote:Originally Posted by iolmaster http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1524983/why-are-motorized-sound-transparent-screens-so-expensive#post_24548755)

What...
Forum: Community News & Polls   03-30-2014, 02:36 PM
Replies: 287
Views: 14,100
Posted By omholt
More speakers are great for the vendors..... ...

More speakers are great for the vendors.....

What we in reality need are rooms that are better acoustically treated and speakers that are both better (in terms of power response) and has a...
Forum: Screens   03-30-2014, 09:53 AM
Replies: 6
Views: 346
Posted By omholt
Thanks Selden. Ripples in the surface doesn't...

Thanks Selden.
Ripples in the surface doesn't tempting but I guess it depends how bad it is.

Is it possible to get Screen Research ClearPix 4K in a manual pull-up? Or Screen Excellense Enlightor...
Forum: Screens   03-30-2014, 07:19 AM
Replies: 6
Views: 346
Posted By omholt
I'm looking for a good quality sound transparent...

I'm looking for a good quality sound transparent screen and motorized would be preferred. They all seem to be encredible expensive. Is there something I've missed or is simply this the case?
Forum: DIY Speakers and Subs   02-02-2014, 12:00 AM
Replies: 128
Views: 10,766
Posted By omholt
I wish there was a polar response of the...

I wish there was a polar response of the Gamechanger.
Forum: DIY Speakers and Subs   02-01-2014, 06:58 AM
Replies: 128
Views: 10,766
Posted By omholt
Just in case. CBT isn't the same as a...

Just in case.
CBT isn't the same as a line-array. Read Don Keele's papers. A regular line-array has a lot of flaws and not something I would recommend. It's called CBT (constant beamwidt...
Forum: DIY Speakers and Subs   02-01-2014, 12:25 AM
Replies: 128
Views: 10,766
Posted By omholt
A waveguide even at a size of 15" has wide and...

A waveguide even at a size of 15" has wide and no controlled directivity below 1000-800 Hz and it beams in the highs. To call that a better directivity is a misunderstanding IMO. The result is...
Forum: DIY Speakers and Subs   01-30-2014, 04:53 AM
Replies: 128
Views: 10,766
Posted By omholt
Quote:Originally Posted by...

Quote:Originally Posted by Martycool007 http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1370612/cbt36-array/90#post_24286342)

Perhaps the CBT has better vertical...
Forum: DIY Speakers and Subs   01-30-2014, 12:04 AM
Replies: 128
Views: 10,766
Posted By omholt
WG system? You mean waveguide? A waveguide...

WG system? You mean waveguide?
A waveguide doesn't have a particular well controlled vertical directivity from what I've seen. Besides, I've never seen a waveguide has CD lower then 800 Hz....
Forum: DIY Speakers and Subs   01-29-2014, 02:58 PM
Replies: 128
Views: 10,766
Posted By omholt
Ok. I see. With the CBT you avoid vertical...

Ok. I see. With the CBT you avoid vertical reflections to a large degree but have more sidewall reflections as oppose to a horn speaker with constant directivity low in frequency. Overall, one has...
Forum: DIY Speakers and Subs   01-29-2014, 12:36 AM
Replies: 128
Views: 10,766
Posted By omholt
That's a huge CBT speaker. Very cool. It's the...

That's a huge CBT speaker. Very cool. It's the perfect speaker to cover a large crowd.
Dealing with flutter echo is also an advantage though. Using RPG type binary panels is better for that purpose...
Forum: DIY Speakers and Subs   01-28-2014, 02:22 PM
Replies: 128
Views: 10,766
Posted By omholt
No. You're mixing two things. There's a...

No. You're mixing two things. There's a difference between high gain reflections which is related to imaging (pin-pointing) and the power response of a speaker. Any speaker needs early reflections...
Forum: DIY Speakers and Subs   01-28-2014, 01:02 AM
Replies: 128
Views: 10,766
Posted By omholt
Another thing to add about that. Avoiding floor...

Another thing to add about that. Avoiding floor reflections is also important. To treat the floor reflections properly is very difficult. Most use a thick carpet. The problem with a carpet is that...
Forum: DIY Speakers and Subs   01-28-2014, 12:53 AM
Replies: 128
Views: 10,766
Posted By omholt
The CBTs have a very constant and uniform polar...

The CBTs have a very constant and uniform polar response. In other words, the off-axis response changes very little compared to the on-axis response. Thus the reflected energy is much less coloured....
Forum: DIY Speakers and Subs   01-24-2014, 11:31 AM
Replies: 128
Views: 10,766
Posted By omholt
I skimmed through that thread Rick, and I doubt...

I skimmed through that thread Rick, and I doubt the GameChanger got a good position. If they measure as well as CBT36, I would expected from own experience they would measure flatter then the...
Forum: DIY Speakers and Subs   01-24-2014, 10:38 AM
Replies: 128
Views: 10,766
Posted By omholt
@maxmercy Ok. I'm a little uncertain how to...

@maxmercy

Ok. I'm a little uncertain how to calculate the SPL since it's a line array. A SPL calculator gives me 105,8 dB with two speakers at 3 feet with 200W. But that's with a regular speaker...
Forum: DIY Speakers and Subs   01-24-2014, 12:33 AM
Replies: 128
Views: 10,766
Posted By omholt
Quote:Originally Posted by...

Quote:Originally Posted by coctostan http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1370612/cbt36-array/60#post_24255077)

OMholt, you are basically listening in the...
Forum: DIY Speakers and Subs   01-23-2014, 12:05 PM
Replies: 2,466
  MiniDSP
Views: 160,385
Posted By omholt
Correction above the schroeder frequency related...

Correction above the schroeder frequency related to the room (not the direct sound of speakers) doesn't work properly because it's not minimum phase. Acoustic treatment is the only solution for that.
Forum: DIY Speakers and Subs   01-23-2014, 07:29 AM
Replies: 128
Views: 10,766
Posted By omholt
Quote:Originally Posted by Bill...

Quote:Originally Posted by Bill Fitzmaurice http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1370612/cbt36-array/60#post_24253881)

Not to the extent that is the case with...
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