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In the Forum: Horn-Loaded Speakers
In the Thread: Midbass Horns and Real Estate.
Post Subject: Underground mid-bass horn and the inverted alternativePosted by jessie.dazzle on: 7/27/2009
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In considering integration of my own mid-bass horns, and how I'd ideally like to do it, I too passed by the underground, up-firing solution, and very much like this approach. I do however have a preference for inverting the concept, resulting in a down-firing, ceiling-mounted arrangement, having the mid-bass horns installed on the upper level. This approach offers the following advantages :

1) You could stick with a solid, non suspended ground floor (no basement) for the main horns and all equipment.

2) Finances permitting, you could do this in one of the Boston lofts 
         A) Industrial construction will likely have masonry walls
         B) You'd still be in the city

3) You wouldn't need any grills to walk on (no dirt or drinks spilling down onto drivers).

4) In the event of a flood/broken pipe, your drivers will stay dry.

The only disadvantage I can imagine is that you'd unlikely go with masonry construction for mid-bass horns located on an upper level, but could still go very solid if using a braced, fiber reinforced approached.

In either case (down-firing or up-firing), the mid-bass horns would be firing at an intersecting angle to the firing axis of the MF/HF horns, and could be located anywhere between the MF/HF horns and the listening point, such that drivers of all horns find themselves at exactly the same distance from the listener's ears.

Below are some images I made while thinking about all this :

Ideal_setup_01.jpg

Above : View from behind listener, at ear-level


Ideal_setup_02.jpg

Above : Mid-bass horns firing at 90° to firing axis of MF/HF horns.


Ideal_setup_03.jpg

Above : Mid-bass horns angled at 45° to firing axis of MF/HF horns.

jd*

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