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Old 22nd April 2008, 05:49 PM   #1
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Default Would these drivers make a reasonably good 2 way?

Hi all. I usually hang out in the Full Range forum but a post over there got me thinking about a 2 way speaker using these drivers:

http://www.partsexpress.com/pe/showd...number=264-332

http://www.partsexpress.com/pe/showd...number=264-362

Has anyone used these? Could I make a reasonably good 2 way using these two drivers? Thanks.
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Old 22nd April 2008, 07:14 PM   #2
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Not these specifically, though FWIW, the drivers distributed here in the USA early on were great bang/buck units, so I imagine these are too.

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Old 22nd April 2008, 09:41 PM   #3
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The only complaint I've ever had about Selenium is that in one compression driver, I found the casting of the phase plug to be a bit suspect. I had to take a knife and carve off a little bit of aluminum that had strayed into the path of the openings in the plug. Other than that, I think they are still a good bang for the buck. I own a number of pieces.
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Old 23rd April 2008, 12:35 AM   #4
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No. (not with the pair)
To add something else. First you need a main (fullrange) driver. Second you need a good tweeter. Then you need a good match. Neither of them, per si. First of all compare with this one; Beyma 10LW30N and give some feedback. (are you playing guitar or is it for music/reproduction?, in the first case I don't comment)
Also, take a look to this beauty from Spain (the first is from Brazil): BEYMA 12XA30Nd Coax.
Just to give you (material) to think, on tweeters you have a lot of brand names like the ones you mention, domes, compression/horns, supertweeters like the ones from Fostex, high quality ribbons - some of them on the $300 range, $100, and $50/$30s each. Also you have a lot of bullets (tw) and horns.
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Old 23rd April 2008, 01:17 AM   #5
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Nothing else besides (on) the tweeter you mention, it's huge (at home it will need a room only for it, what would be interesting -- maybe bigger than some full ranges, other bullets or horns) and have a good dispersion. Some acceptance for PA systems. It peaks 5dB at 7K. It's possible to solve that in a proper xover, but don't expect a "by the book" design.
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Old 23rd April 2008, 01:37 AM   #6
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Default Re: Would these drivers make a reasonably good 2 way?

Quote:
Originally posted by G

Could I make a reasonably good 2 way using these two drivers? Thanks.
I didn't have time earlier to look more closely than brand name, but no, these are completely incompatible since the woofer is beaming like a laser at the super tweeter's 5 kHz minimum XO point. Even if it was compatible, 5 kHz isn't far enough away from our acute hearing BW to ignore the acoustically wide spread between the two on a baffle unless sitting very far away.

Also, this ST has way too narrow a dispersion for home use.

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Old 23rd April 2008, 01:57 AM   #7
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I open the game a little here. In mid-woofers consider the C-Quenze 15H520613SD by AudioTechnology, www.audiotechnology.dk (if you are looking for quality). For PA you will have other power specs like in the 18Sound (Italy beauties).
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Old 23rd April 2008, 03:18 AM   #8
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You need a third driver to go in between those two.
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Old 23rd April 2008, 10:10 AM   #9
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Quote:
Originally posted by critofur
You need a third driver to go in between those two.
I would say, a good driver to start with.
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