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In the Forum: Horn-Loaded Speakers
In the Thread: Problems with horns: upper bass
Post Subject: On The Matter Of One Or Two DriversPosted by Dresden on: 11/19/2008
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(..in between errands..)

In respects to whether or not using both the front and rear energy will work, I will have to listen for myself.  As I commented earlier elsewhere in this thread, an arrangement using two drivers may prove to be the better alternative--though they would have to be arranged in a pull-pull/push-push configuration, one providing the acoustic energy for the front horn loaded section, the other for the rear horn loaded section.  (Of course in this arrangement, I would loose the benefit the energy from one side of the driver, but I would most likely gain lower distortion/better accurary, and a smoother overall frequency response [taking all surface into account].)

Only in building and listening to it will I be able to draw a conclusion on the design--everything beyond what I've concluded on to date will remain speculation till then.

 serenechaos wrote:

There are more efficient drivers available, if that matters.  As Romy pointed out, usually very different systems are used in PA and in homes.  I thought you were talking about a Front Loaded Horn, not a Compound horn. 
"using the acoustic energy from both the front and rear of the driver in a horn loaded fashion." as you put it.  

Yes, they have been built, e.g. Tannoy's Westminster & Autograph, Lowther's TP1, etc. 
Sound is a matter of opinion, and taste... 
I've experimented with them, very difficult to implement, and to balance the front and rear wave, much time-align... 
I felt it was a dead end, and is why I'm now building a five-way FLH system. 
YMMV, good luck! 
Robert

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