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
Jed, who makes Clearwave speakers (I have the Duet 6 monitors) lists his speaker at 85db. When I asked him if they were too inefficient, he told me that they should play at around 87db in room but he felt that he should simply state the tested figure. He went on to say that lots of speaker designers fudge their specs when it comes to efficiency and to not be too concerned about it. In room response is what you should be concerned with.

All the best,
Nonoise
@213runnin. Can't believe I'm jumping in here, because I am as skeptical as probably anyone on the implications that everything else is obsolete, that they "slay" well-reviewed and established $30k-ish "competitors," and that the patent would ever win the day.  Quite frankly, some of it is a bit off-putting, but no doubt that the designer is proud of his designs, and, judging by the feedback he's getting, seems he has reason to be. 

I've never heard any of the Tektons.  Have you heard them?  Are you trying to bait the fanboys?

Most interesting, to me, in all of this banter on A-gon and a few other sites, is the absence of folks, who have given or can give credible first-hand accounts, who have said much less than "the Tektons are pretty good, but didn't work for me" or "I don't think they actually compete with many speakers many times the price, but they're good for what they are."  I haven't seen anyone say anything like, "I bought them based on the hype, and as much as I wanted to like them and as hard as I tried to make them work with otherwise good matching gear, they are just overpriced cheap crap and sound like garbled poo."

If they are out there, could someone share or point in that direction?

Seems, of course, they won't be to everyone's preference, but most of the reports suggest that one would get at least a speaker punching in its weight class and possibly/probably above, if not at $30k+, to the extent price may generally corresponds to performance/quality.

Anyway, sure, if they missed the mark by 6db, some 'splainin' should be in order.

I'm not defending anything or anyone, but, at least for the DIs, looks like those tweeters retail for about 55 bucks each. There are 14 of them.  770 bucks just in tweeters in a $3k speaker is already quite a budget ratio compared to most speakers using OEM drivers.  Of course, Tekton isn't paying retail, but neither are the other companies using "better" OEM tweeters.

This split between instant fanboys and haters who have not heard just seems really odd.