Post by: [x] on October 11, 2005, 10:53:39 AM
http://www.grubsrof.com/index.html
The cabinetry of these guys certainly looks up to snuff, and some of their products really look for real. It looks like some unknown driver manufacturer and DDS fiberglass horns. I don't even know what places would sell these things or who their target market is.
What would it take for some small company like this G-Audio firm to gain credibility with touring professionals? Some FR and polar measurements would be a good start. But more importantly, how does a company get their products on a tech rider? Do they just need to pump customers full of "cool factor" like some companies have done with their line arrays?
Post by: Randy Pence on October 11, 2005, 11:15:27 AM
Post by: Hasse Queisser on October 11, 2005, 02:20:29 PM
Post by: Luke Sheridan on October 11, 2005, 02:32:53 PM
Post by: Hasse Queisser on October 11, 2005, 02:49:27 PM
Post by: Rex Ray on October 11, 2005, 03:07:38 PM
I bought his book. He states (rather proudly), that his first
big boxes were knock-offs of an S-4. Ther were days when that would have gotten him a letter or two from Roy's lawyers.
Rex (OLD Clair guy) Ray
Post by: Adam@ASPaudio on October 12, 2005, 01:07:05 PM
Post by: Ivan Beaver on October 12, 2005, 03:49:45 PM
I guess the current trend is to add whatever number you want to your actual specs (be it 6 or 12dB) and state it as fact.
Whatever happend to the truth!
Post by: Ivan Beaver on October 12, 2005, 07:27:44 PM
The full range boxes suffer from the same exarations, but they even stretch them further.
Post by: Peter Morris on October 12, 2005, 08:47:53 PM
http://www.ddshorns.com/catalog.php?page=DSLA1100
So I guess it no good
??The box is also a bit like this one
http://www.linearraykits.com/GL10HPLespec.htm
Peter
Post by: [x] on October 12, 2005, 11:33:39 PM
Post by: Hasse Queisser on October 16, 2005, 02:14:51 PM
Post by: Geri O'Neil on October 17, 2005, 10:00:25 AM
| Ivan Beaver wrote on Wed, 12 October 2005 14:49 |
Whatever happened to the truth! |
To quote..."You can't handle the truth!!"..
Sorry, couldn't resist. Seems plausible though, eh?
Geri O
Post by: Mark Hartzell on October 17, 2005, 06:57:14 PM
Post by: RYAN LOUDMUSIC JENKINS on October 17, 2005, 10:07:22 PM
Post by: Tracy Sherwood on October 25, 2005, 06:32:31 AM
Other than a true ribbon source like SLS is doing all "line arrays" are hybrids that transition from line source to an array of point sources at higher freq. EV, Vertec, Vdosc, Adamson, Isis, maybe Geo gets some kind of reprieve but...tested them all. And yes that is my little dual horn in that box. works well for small rigs with 10" cones.
-Tracy Sherwood, DDS LLC.
Post by: [x] on October 25, 2005, 11:15:34 AM
Post by: Doug Fowler on October 25, 2005, 01:57:04 PM
| Rory Buszka wrote on Tue, 25 October 2005 10:15 |
In my own speculation, what I think happens is that the compression drivers really do look like point sources at those higher frequencies, and then further out away from the line, the radiation patterns (which should be very narrow in the vertical plane) appear to sum into a line. |
???
So the higher the frequency, the closer the multiple compression drivers come to emulating a point source?
Please explain yourself.
This should be good....
Post by: Tim Padrick on October 27, 2005, 12:56:26 AM
Post by: [x] on November 01, 2005, 10:38:43 PM
A lot of commercial line arrays I have seen actually use some means of generating a near-cylindrical wavefront (see Electro-Voice's Hydra plane wave generator) by dividing the spherical wavefront longitudinally into parts and then applying small amounts of delay so that these parts are all in phase at the entrance to the horn waveguide. I think that since the dimensions of these waveguides are still small compared to the wavelengths being passed, they can avoid comb filtering effects from large diameter compression drivers loaded together on one horn in a line array use. I find EV's particular implementation most interesting.
I don't know what you thought I was insinuating, but line arrays only appear as a single point source as the distance from the array approaches infinity, and generating sound loud enough to travel an infinite distance in air without attenuation would be impractical. It shouldn't have any relationship to frequency, just distance, though.