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Old 7th March 2005, 11:11 PM   #1
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Question Another Coaxial question

I've worked in Recording Studios and live sound for 25 years as an end user. I'm really, really new to the DIY thing. Based on my experience and personal preferences almost all the nearfield monitors I like use dome tweeters. The problem is that I personally believe in the coaxial theory for time alignment. Are dome tweeters used in coaxial designs? Maybe an even better question is can they be used in a coaxial design.

Again, based on my experience and preferences I'm not a fan of horn loaded speaker designs. There are a few that I've been impressed with in Live sound applications. Most of those ( not all ) have been of a conical design.

All this is after using Urei Time Align Monitors, Tanoy, Fostec Rms 780's, Genelec, Dyn audio, MDM monitors, Meyer, EAW, JBL, Turbo Sound, Auratone, Westlake, and the list goes on.

I'm convinced that the definitive reference monitor for me has not been built yet. I know just enough to be dangerous and I'm not sure that what I want can even be built. So the first step is to find out if there is or even if there can be a coaxial design that incorporates a dome tweeter.
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Old 8th March 2005, 03:13 AM   #2
adason is offline adason  United States
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Quote:
So the first step is to find out if there is or even if there can be a coaxial design that incorporates a dome tweeter.
sure thing
they have been around all the time.....kef, thiel, technics, cabasse, tad/pioneer...
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Old 8th March 2005, 03:16 AM   #3
adason is offline adason  United States
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thiel
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Old 8th March 2005, 03:20 AM   #4
adason is offline adason  United States
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tad/pioneer
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Old 8th March 2005, 03:42 AM   #5
adason is offline adason  United States
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Old 8th March 2005, 03:44 AM   #6
Variac is offline Variac  United States
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Default Seas

Anyone used a SEAS COAXIAL T18RE/XTVFC ?
Kwei has a thread on how to use this driver also- can't find it...
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Old 8th March 2005, 04:02 AM   #7
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Default Re: Seas

Quote:
Originally posted by Variac
Anyone used a SEAS COAXIAL T18RE/XTVFC ?
Kwei has a thread on how to use this driver also- can't find it...
Maybe this thread? It talks about that Seas driver with a current drive amplifier.

Theoretical Design - Current Feed Active Dipole Speaker
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Old 8th March 2005, 04:35 AM   #8
Variac is offline Variac  United States
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There's another where he mentions how to rig it up with a single cap for the tweeter and a ported box...
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Old 8th March 2005, 04:45 AM   #9
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Quote:
Originally posted by Variac
There's another where he mentions how to rig it up with a single cap for the tweeter and a ported box...
Gotcha. Here we go.

http://www.diyaudio.com/forums/showt...ht=#post285676
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Old 8th March 2005, 06:52 PM   #10
Variac is offline Variac  United States
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Excellent job HM, I searched and couldn't find it.
Now we have at least 3 designs using that driver

Including:

http://www.madisound.com/Seas%20H114...nd%20Xover.pdf

Tony Gee:
http://home.hetnet.nl/~geenius/USB.html
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