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Multi-Way Conventional loudspeakers with crossovers

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Old 3rd December 2019, 12:14 AM   #231
Patrick Bateman is offline Patrick Bateman  United States
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Location: San Diego
Quote:
Originally Posted by Ro808 View Post
In general, the shorter the diffraction slot, the less likely it is that typical diffraction side effects will manifest themselves.
The opening of the slot in your PAS horns isn't very narrow, which is also a good thing.

The fact that Bjorn Omholt sold his (highly regarded) Klipsch K402s, because he preferred the Bi-Radials, contradicts the prevalent misconceptions wrt diffraction horns.
I've been having a lot of fun with bi-radials for the past couple years, here's how I make them: How to Make a New Wave Biradial Horn

About a month ago I figured out how to make them asymmetrical, my latest project is an example of that : Celilo : A Small, Affordable Two-Way Unity Horn
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Old 7th December 2019, 04:24 AM   #232
Ro808 is online now Ro808  Netherlands
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Originally Posted by Patrick Bateman View Post
Yikes! That looks terrible.
It does indeed, yet it didn't stop a French manufacturer from using it in a MTM.

Click the image to open in full size.
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Old 7th December 2019, 04:37 AM   #233
Ro808 is online now Ro808  Netherlands
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Quote:
Originally Posted by Patrick Bateman View Post
I've been having a lot of fun with bi-radials for the past couple years, here's how I make them: How to Make a New Wave Biradial Horn

About a month ago I figured out how to make them asymmetrical, my latest project is an example of that : Celilo : A Small, Affordable Two-Way Unity Horn
Cool projects as usual.
I really like the concept of the celilo. Your reasoning and reference to the Danley Jericho's makes sense.
BTW, did you buy a bigger 3d printer?
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Old 9th December 2019, 08:15 PM   #234
Joseph Crowe is offline Joseph Crowe  Canada
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Originally Posted by Ro808 View Post
For the sake of completeness:
The frequency response and waterfall plots look excellent! I'll have to buy a pair for my own testing.
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Old 9th December 2019, 08:39 PM   #235
Droco is offline Droco
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Originally Posted by Ro808 View Post
The mouth section of the PAS horns looks quite similar to that of Bjørn Omholt's Bi-Radial horns (designed by Don keele), but the slot appears to be longer.

Click the image to open in full size.

Click the image to open in full size.
Bit unrelated, but I was drawn into this thread and could not other than note thats my horn! I bought that exact piece (with another prototype like it) it from Omholt and converted it into a synergy. Still some tweaking to do before I'll start a thread about it. Large enough to allow the use of 4x (high powered) 12" woofers for a very impressive SPL (120-...hz).

Might be interested in trying out the DCX464 on it, but I would like to know some more experiences about its (comparative) loudness and quality.
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