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Forum: DIY Speakers and Subs   02-13-2011, 09:02 AM
Replies: 17
Views: 5,567
Posted By DukeL
Quote: Originally Posted by penngray...

Quote:
Originally Posted by penngray http://images.avsforum.com/avs-/img/forum/go_quote.gif (http://www.avsforum.com/forum/showthread.php?s=426af42ba69004997d6f69d8ea0f41fe&p=19960169#post19960169)...
Forum: DIY Speakers and Subs   02-13-2011, 02:47 AM
Replies: 66
Views: 5,598
Posted By DukeL
Zilch lived his dream and brought music...

Zilch lived his dream and brought music well-reproduced into the lives of people all over the planet who otherwise couldn't have afforded it. He brought people together, created friendships with and...
Forum: DIY Speakers and Subs   12-04-2010, 04:45 PM
Replies: 11,766
Views: 787,027
Posted By DukeL
Quote:Originally Posted by LTD02...

Quote:Originally Posted by LTD02 http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/19592330)

hi duke... as you know, there have been some quality control problems...
Forum: DIY Speakers and Subs   12-04-2010, 12:43 AM
Replies: 11,766
Views: 787,027
Posted By DukeL
I'm kinda late to the party here, but as has...

I'm kinda late to the party here, but as has been noted I manufacture speakers using a round waveguide, the DDS ENG-190, as well as a rectangular waveguide-style horn, the Pyle PH612.

The round...
Forum: Speakers   09-02-2010, 09:28 PM
Replies: 9
Views: 1,445
Posted By DukeL
I think your idea to go with directional...

I think your idea to go with directional speakers is the right one. In order to have decent directional control down into the vocal region, you'll need fairly large drivers and/or fairly large...
Forum: Speakers   08-27-2010, 01:15 AM
Replies: 160
Views: 17,035
Posted By DukeL
Quote:Originally Posted by Tom Danley...

Quote:Originally Posted by Tom Danley http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/19089940)

One thing they [small fullrange drivers] will do is something...
Forum: DIY Speakers and Subs   08-13-2010, 04:34 PM
Replies: 91
Views: 11,608
Posted By DukeL
It takes the ear at least one cycle to begin to...

It takes the ear at least one cycle to begin to detect the presence of bass energy, and many cycles to detect the pitch. This has implications for detecting the location of a low frequency sound...
Forum: DIY Speakers and Subs   08-06-2010, 10:07 PM
Replies: 39
Views: 4,132
Posted By DukeL
Quote:Originally Posted by KMFDM781...

Quote:Originally Posted by KMFDM781 http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/19010690)

My friend builds and sells very well built, quality custom car...
Forum: Speakers   08-05-2010, 11:35 PM
Replies: 6
Views: 1,148
Posted By DukeL
Quote:Originally Posted by nofronts...

Quote:Originally Posted by nofronts http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18982133)

What i want to do is just buy two 5 1/4" in wall speakers so that...
Forum: Speakers   08-04-2010, 08:26 PM
Replies: 64
Views: 5,727
Posted By DukeL
Quote:Originally Posted by Jrunr...

Quote:Originally Posted by Jrunr http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/19004740)

This is why I wonder about the RBH T-2P...


Eyeballing its...
Forum: Speakers   08-04-2010, 05:45 PM
Replies: 64
Views: 5,727
Posted By DukeL
Quote:Originally Posted by serrada...

Quote:Originally Posted by serrada http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18989281)

I'm also thinking of eliminating my center channel. Any thoughts on...
Forum: Speakers   06-20-2010, 03:56 PM
Replies: 32
Views: 2,554
Posted By DukeL
THX certifications are based on actual measured...

THX certifications are based on actual measured performance, not on manufacturer's published specs (which can be conservative, optimistic, or in between).

I once tried to find out what...
Forum: DIY Speakers and Subs   06-05-2010, 05:29 PM
Replies: 1
Views: 1,088
Posted By DukeL
My top-of-the-line commercial systems (intended...

My top-of-the-line commercial systems (intended more for high-end two-channel than for home theater) use a configuration that I call a "controlled-pattern offset bipole". Briefly, it uses...
Forum: DIY Speakers and Subs   04-17-2010, 10:06 PM
Replies: 124
Views: 12,792
Posted By DukeL
Quote:Originally Posted by NEO Dan...

Quote:Originally Posted by NEO Dan http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18484454)

Here is what I'm considering building; it's 13.5" wide, using a 15"...
Forum: Speakers   04-11-2010, 03:58 PM
Replies: 83
Views: 15,392
Posted By DukeL
Penngray, sorry I misinterpreted that remark. ...

Penngray, sorry I misinterpreted that remark.

If we count my DIY years, I've done about two dozen active systems but only one of them used a modern DSP crossover. At this time I do have an active...
Forum: Speakers   04-10-2010, 10:52 PM
Replies: 83
Views: 15,392
Posted By DukeL
Quote:Originally Posted by ufokillerz...

Quote:Originally Posted by ufokillerz http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18465952)

I don't see any systems you're offering that is in that price...
Forum: Speakers   04-10-2010, 10:22 PM
Replies: 83
Views: 15,392
Posted By DukeL
Quote:Originally Posted by penngray...

Quote:Originally Posted by penngray http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18465714)

... I know you wont because your speakers sell for $10K!


Are...
Forum: Speakers   04-10-2010, 06:18 PM
Replies: 83
Views: 15,392
Posted By DukeL
In my opinion there's another side of the active...

In my opinion there's another side of the active vs passive debate, and that is cost-effectiveness. I have investigated going active, and concluded that a good passive system can give perceptually...
Forum: Speakers   04-10-2010, 05:53 PM
Replies: 15
Views: 1,646
Posted By DukeL
Quote:Originally Posted by gnp777...

Quote:Originally Posted by gnp777 http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18462354)

The seller stated they were used for review and in excellent...
Forum: Speakers   04-08-2010, 09:16 PM
Replies: 7
Views: 1,059
Posted By DukeL
You might try this: Take out that little center...

You might try this: Take out that little center channel speaker, move the Polks as close as practical to the screen, and toe them in severely so their axes criss-cross in front of the normal seating...
Forum: Speakers   04-08-2010, 11:10 AM
Replies: 335
Views: 16,345
Posted By DukeL
Quote:Originally Posted by mjg100...

Quote:Originally Posted by mjg100 http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18451611)

Is that 3 to 4db [estimated gain in thedeep's room @ 8 feet from the...
Forum: Speakers   04-08-2010, 01:27 AM
Replies: 335
Views: 16,345
Posted By DukeL
Quote:Originally Posted by thedeep...

Quote:Originally Posted by thedeep http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18451233)

this chart mentions multiple speakers, and adds them in the...
Forum: Speakers   04-07-2010, 10:44 PM
Replies: 335
Views: 16,345
Posted By DukeL
Quote:Originally Posted by mjg100...

Quote:Originally Posted by mjg100 http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18450915)

I assume that the room was not treated?


Well, it depends on...
Forum: Speakers   04-07-2010, 08:05 PM
Replies: 335
Views: 16,345
Posted By DukeL
Quote:Originally Posted by mjg100...

Quote:Originally Posted by mjg100 http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18449559)

The drop off is 6db when ever you double the distance from one...
Forum: Speakers   03-30-2010, 08:36 PM
Replies: 107
Views: 5,274
Posted By DukeL
Quote:Originally Posted by penngray...

Quote:Originally Posted by penngray http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/forum/post/18406631)

Duke, anyone that knows your work knows you build incredible...
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