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In the Forum: Horn-Loaded Speakers
In the Thread: Another time aligned 5-way horn project
Post Subject: Crossover frequency between Fundamental and upper midPosted by Murataltuev on: 8/16/2015
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 Romy the Cat wrote:

Murat, I absolutely do not relate to your reason. In fact I think this is very artificially contrived rezoning.  The true reason is that you like 555 driver that happens to go to 5K and you would like to sell to yourself some kind of theory around it. Let me to give you an argument from my strictly practical filed. In the scenario you proposed you will be having too much sound with identifiable location will be generated from location that will be too high. As the result you will be able to ingrate the sound from much greater region. Alternatively you might go do higher order of filtration but here is where the time consistency will go. Anyhow, it is not live sound but playback and to artificially map instruments to driver is a bit too unnecessary.
This is my concern also, so I have not decided about crossover frequency between Fundamental and upper mid.
And I don't like 555 as I never had it. But willing to try.
I don't have my own expirience building horns and this is my first project, so all suggestions are very valuable and I really appreciate them.
I'm pure consumer ended up building my own, because I fail to find what I want.
And because I'm new, I have some crazy not typical ideas which I want to discuss.
One of the crazy idea is not to use any electronic crossover between Fundamental and upper mid.
Fundamental channel will be lowpassed arround 2-3KHz because of the angle to the listener and upper mid will be highpassed by horn.
Pros: no any phase shift between musically most important channels.
Cons: I don't know, I read that it is important to highpass higher than horn frequency, but I don't know why, so I appreciate for comments.

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