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Tekton Double Impact & Comb Filtering

Like many of you, I have been pondering purchasing these speakers but am very curious about the unusual tweeter array. I asked the smartest speaker person that I know (he is a student of Sean Olive) about the design and below is what he had to say.   

"In theory it could work, but the driver spacing means that the crossover point would need to be very low.
He is using the SB acoustics tweeter which is 72mm in diameter, center to center on the outside opposing drivers is around 5.7 inches, which is about 2400Hz. This means that combing would stop between 1/4 to 1/2 of the wavelength (between 1200-600Hz) is where the outside tweeters should start playing nice with each other.
Since he is not using low enough crossover points he has created a comb filtering monster. Now while it's not the great point source that was promised, it's no worse than most line arrays and the combing will average itself out given enough listening distance.

The MTM spacing on the other hand is ridiculous. Hopefully he is cutting the top end off on one of those midrange drivers to avoid combing."

seanheis1
213runnin
914 posts
 
Yeah, it sounds pretty out there.  Talking about present drivers being unable to produce something called "the overtone spectra",   contained in music?  There are many that frequent live performances of all types of music that would vehemently disagree with this idea .

But I guess a guy's gotta make a living, and if you come up with some loudspeakers that look different, and you're a good salesman, well the sky's the limit in the USA.  It keeps reminding me of Bose.  I imagine when Tekton was starting out, they needed  investors, and of course would need more as the company expanded its lines.  No doubt those are around, pumping up the company in different ways.


mofojo
2,304 posts
 
Puke
kdude66
1,200 posts
 
I'm wandering if anybody knows if the big Ulf speaker will require 2 patent's because of the double tweeter array's.


Kenny.
213runnin
914 posts
 
Kenny, why don't you look into what patents were needed for the Bose 901 speaker, then report back?
kdude66
1,200 posts
 
I have but the 2 different speakers are like comparing apples to oranges when it comes to all that technical stuff.

I'm a open minded kind of guy and I'm being serious and I do my best to respect other people's opinions for the overall learning experience but I honestly don't see anything in common between the 2 completely different speakers other than that each have quite a few more drivers.

Kenny.
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