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In the Forum: Horn-Loaded Speakers
In the Thread: If you were to start from scratch, what horn system would you build?
Post Subject: "Midrange floats over a dense and soft upper bass cloud"...Posted by Romy the Cat on: 2/13/2012
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 haralanov wrote:
Romy, the actual sound benefit of this 4-channel upper bass configuration, is rather in the type of sound presentation. The commonly used single upper bass horn (or direct radiator) sitting under the midrange horn, gives the feeling that the midrange floats over a dense and soft upper bass cloud. It is in a way interesting effect, but it is much more interesting (at least in my view) when the upper bass radiating area is very big AND equally distributed around the midrange/main channel. This creates an effect of having huge and very widerange coaxial driver, which gives the unique feeling that the upper bass is real physical part of the midrange, loading the whole (!) room with tone. Actually it can no longer be detected as upper bass sound – it just becomes part of the instruments. And this is much more important than the fine tuning of the sound of all these 4 horns.
 It is certainly an interesting way of thinking. I do not feel that my “midrange floats over a dense and soft upper bass cloud”. In fact I do feel that my MF and upperbass are very good integrated. But again, I might not know how different it might be if it was otherwise. I do like the idea but I have to admit that it has some design problems. You see, the multiplication of upperbass is in way eliminates an ability to put the midbass horn in right position. I think the right positioning of midbass is more important then what you propose and if you put 4 upperbasses than they will not allow to put midbass in the game in the uncompromised location. Also, I think you a bit overly stress the drivers suspension. For sure the drivers’ suspension is one of the primary elements in drivers but how many people out there has a freedom to deal with driver’s suspension, not to mention to deal with suspension mindful and objectfully? You claim that you do and I know perhaps another 2 people who does the same claim (and I can’t confirm if with any of you). So we have 3 people over the 6 billion humans – not a lot of chance that anyone would be able to deal with driver suspension and be able to get predictable result.
 
I still think that what you describe is rather lab experiment than a proven wining pattern for a playback. There is nothing wrong in what you subjects but going for the 4-drivers upperbass configuration a person effectively eliminates any other options.

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