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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: Some horns propaganda.Posted by Romy the Cat on: 2/15/2012
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 haralanov wrote:
Ironically or not, I have no practical problems with it, simply because I’m not using big UB horns. My upper bass channels are much more compact – 4 very massive 15” drivers with no horns. Their integration to my main widerange channel is easier than a childish game and there is a lot of free space for some huge lower bass drivers around them. But I didn’t mention that earlier, because the thread is about horn loaded drivers – not direct radiators. So the fact that it is very difficult to implement 4 UB horns in practical terms, is not going to ruin my good sleep :-)
  
The subject of the whole ploy was “horn system from scratch” and if you do not use upper bass horns then what are you trying to say? It is OK to use 15” direct radiators and you with direct radiator will have even greater benefit from multiplication of drivers then horn people.  Your experience with direct radiators is absolute not applicable to horns as a single 15” driver does not sound well not matter what you do to it, unless you are sitting in a closet. All drivers that we have are under-designed and you need many- many of them to reduce the exertion and to let them to operate in the “comfort zone”. In addition the 15” direct radiators have too heavy VC to and to wrong VC mounting. It is made to increase power handling. If your 15” driver has let say 20W power handling then if would be much better but you would need many of the drivers to care midbass properly. In case of midbass horn all your problem with limited exertion, undrhungin  and etc  are already taken care. I highly suspect that with a single properly made upperbass horn you would not need to invent the partitioning of your direct radiators. Yeas, it is good idea but I do not think it is a remedy to recover the problem of direct radiators. Also, do not forget that  with let say 4” throat and a single 100Hz horn, the effective radiation surface of the horn is the diameter of mouth, or 36”. It is still larger than 4 x 15” drivers….
 

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