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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
kdude66
1,200 posts
 
+1 rotaries,grannyring.
mikirob
955 posts
 
I'm a big Tekton Fanboy! But discoursing wit folks like 213runnin is huge waste of time, he is a Troll. Best, mikirob
mikirob
955 posts
 
"with" not "wit" as above; must be a Freudian slip as I was thinking someone runnin' was perhaps, just might be a nit. Ok, I'll apologize now in advance, but I couldn't help thinking it. Best to you, happy listening...mikirob
mofojo
2,170 posts
 

213,
Ok this is the last time I'll respond. Your latest post looks like you are trying to say you are being bullied for giving opinions on the speakers. Here are excerpts from a few of your posts... Need a hanky?

"A noisy square box with low budget drivers, what an awful design that they are charging way too much for."

" Econo box performance.  At least you can pay extra to put a grill on that ugly mug."

  "But I'll bow out as I've made my points for anyone looking for the pros and cons of speakers by Tekton." (this did not happen)

 

The comb filtering thing is ridiculous in a modern speaker.   $3000 is a complete rip off, but Bose sold junk to suckers for many years before people got wise to those little cube home theater nonsense speakers.  (you are assuming they have an issue with comb filtering, again never heard them)

 

“I expect in a couple of years, unless Tekton gets serious about speaker design, the latest flavor of the month will be up for sale in the used marketplace in droves.   Too bad that marketing and the lemming instincts of the internet herd can cause such a waste of money.” (so you are basically calling anyone that likes Tektons a Lemming / Sucker?)

 

This doesn't exactly feel like constructive criticism to me. If you heard them pretty sure you would change your tune but the fact that you haven't and are making such bullish claims tends to get on peoples nerves.

 

 

kdude66
1,200 posts
 
mofojo,

Very valid points.

We all have a certain responsibility to these threads to report the truth of a product the best we can and pure "Speculation" without even listening or owning the product is really not a opinion that means anything substantial.

You always have to remember folks are reading these threads and they use these informed opinions to base their purchasing decisions.

I personally don't comment on any product unless I have actually listened to it or own it,Now I know I'm luckier than some in that being a member of a local audio club I get to listen,borrow and loan all kinds of top gear.

Disclaimer,I'm not just talking about this thread or only Tekton speakers,I'm talking in general terms.

Kenny.
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