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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
axememan's avatar
axememan
279 posts
 
yeah,what he said.I have the Pendragons now and couldn't be more happy ..maybe someday the DI's
213runnin
914 posts
 
So it sounds like a professional reviewer prefers the DI over the  Wilson Sasha, and that's fine.  I may or may not agree with his taste when it comes to speakers and gear.   What I don't get is why Tekton is withholding the  frequency response graph of their speakers, so prospective customers can see how the speakers compare with their own, or with other brands.  

Tekton is withholding this information because they don't want it known, there is no other reasonable explanation.  And to suggest that all other speaker brands don't give every subtle nuance is just more over-the-top ad copy.  


kdude66
1,200 posts
 
😭😭💦💦
aniwolfe
760 posts
 
@213runnin 

They are not releasing the graph because it not measurable! :P

Personally I couldn't give a rat's tush about graphs and tests results. Play me great music is all I ask.
shadorne's avatar
Ag insider logo xs@2x
shadorne
7,477 posts
 
@213runnin

It does sound like the DI are amazing value. Cutting out the retailer must be a big part of it. A $6000 speaker sold direct from factory could be easily $3000 as no dealer cut.

I recall Energy Pro 22 punched well above their weight but that is three decades ago. It is nice to see this challenger but I wonder if factory direct is the way of the future? I keep seeing audiophile stores closing down...is the old bricks and mortar model broken?

If James_514 says they are better value than ATC SCM 40 then I believe it. I actually would not expect ATC with an everything in-house built approach can compete with cost effective boxes filled with off the shelf low cost drivers sold factory direct - at least not on price or value and may be the quality difference is just not enough for many to justify the extra expense. I bought my large cinema screen factory direct and it was indeed tremendous value over a Stewart screen so I am not at all averse to the direct model. Bring it on!
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