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Old Today, 09:52 AM   #5011
djmaxx is offline djmaxx  Latvia
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Years ago I was a dealer in Auto-Tech horns. I have implemented all kinds of horns in my client systems. I can agree that JMLC horns have a very good phase curve, but express the beaming effect in the upper range. The stage effect is so strong that it sounds in your head. But it is impossible to listen for a long time, it is tiring. When I first tried SEOS waveguides, I was amazed at how tireless it sounds. The stage was no longer in my head, but in front of my eyes and the sound had become wider. Currently i am listening ATH calculated round waveguide and i can say it is the best performance.

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Old Today, 10:24 AM   #5012
mabat is online now mabat  Czech Republic
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Here's the whole beauty from the previous example (numerical issues above 8 kHz due to the reduced mesh resolution). And now give me a break with this beaming ****.
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Old Today, 11:44 AM   #5013
mrk7 is offline mrk7  Australia
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Quote:
Originally Posted by mabat View Post
I decided to release my first "serious" design of this type... ST260 (ST = Small Teaser), cca ⌀260 mm x 83 mm. Throat entry angle is 19 and should work well with majority of 1" drivers.

Thank you for this! It should make a great reference horn.
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Old Today, 04:32 PM   #5014
Ro808 is offline Ro808  Netherlands
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It seems from the results gathered so far that the actual contribution of HOMs (inherent to a profile) will be generally very low, at least up to a rather high frequency. I'm more and more convinced that what is observed as "disruption of pressure field" is almost always caused by a suboptimal mouth termination.
To my, albeit limited, knowledge, HOMs are (mainly) related to higher frequencies and as such a byproduct of sudden changes in the horn profile near the throat.
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Old Today, 04:36 PM   #5015
mabat is online now mabat  Czech Republic
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And it seems that they will be pretty low intensity even for an OS waveguide.
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Old Today, 04:46 PM   #5016
Ro808 is offline Ro808  Netherlands
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Here's the whole beauty from the previous example (numerical issues above 8 kHz due to the reduced mesh resolution). And now give me a break with this beaming ****.
Not my cup of tea, but I bet this horn works wonderfully with the TAD TD-2001.
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Old Today, 04:49 PM   #5017
mabat is online now mabat  Czech Republic
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Yes, best sounds with TAD TD-2001
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