Which double horn for a tb w4-657?

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#42
You mean the Mikasa stacking and the Chang curved shape?There is an incompatibility between the two designs?
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Yes, because they're not just shapes, they have specific functions.

So maybe i can try with just one of the two modifications, what do you suggest?
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As noted, it depends on what exactly it is you're attempting to do.

The curved front (if you know how to design it properly, otherwise it can mess things up) provides focused radiation, and mandates a minimum listening distance / height. If you don't want this, or don't know how to optimise it, then I'd suggest this is best avoided.

The 'Mikasa stacking' is a part of that horn's flare. You could make the Aiko box deeper to allow you to add some panels to provide a similar appearance; however, you would also be changing the flare profile, and therefore its behaviour / response. How much so would depend on the exact details of what is done.
 
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#43
Ok, I understand the curve has a "center" that would be che focus for the speakers, and this will determine the distance of listening, right.

Regarding the stacking it's true, this would change the flare profile, but i can always decide to cover the stacking in a second time to listen to the difference...🙂
 
#44
Re the 1st, partially, but it's not as simple as that.

Re the 2nd, even if you 'covered' them up, both length & flare profile would still have changed. You will also be making some internal alterations by adding such panels, for e.g. the driver will have moved forward, the chamber volume & shape will thus be different, all of which affects the response.

You say your only motivation are the looks; if that's the case frankly, I advise you not to try it.
 
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