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Multi-Way Conventional loudspeakers with crossovers

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Old 20th November 2012, 05:50 PM   #101
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Originally Posted by john k... View Post
It's way to low in sensitivity. The higher Q doesn't do anything for the frequency range over which it operates.
Oh, the reason I mentioned Q is to prove it is a beffier driver, it has less distortion in mid bass than the SS even though there is a hump due to the Q.
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Old 21st November 2012, 11:29 PM   #102
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John, what do you think of LX 521 bridge, will adopting it make the speaker more stable?
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Old 22nd November 2012, 03:18 AM   #103
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I'm thinking of building something along these lines, which is a 'grilled' ultra-slim dipoles.

It's great to see that the 'sides' do not interfere with polar response!
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Old 24th November 2012, 08:28 PM   #104
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It looks like the Vifa tweeters OX20SC00-04 are not available in Europe. Anyone know otherwise?
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Old 24th November 2012, 10:16 PM   #105
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John, what do you think of LX 521 bridge, will adopting it make the speaker more stable?
I don't feel a bridge layout will have much effect other than reducing the sensation of baffle vibration when touched. There really isn't sufficient volume displacement associated with the baffle movement at woofer frequencies for it to radiate any significant sound. The more significant source of baffle vibration seems to emanate from the lower midrange and in that case fixing the baffle to the entire speaker structure should be beneficial. Of course, if you want to build it as a bridge it's you prerogative.
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Old 24th November 2012, 10:30 PM   #106
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It looks like the Vifa tweeters OX20SC00-04 are not available in Europe. Anyone know otherwise?
If that is the case please see if there is a similar sized tweeter available. I would be happy to adapt the system to what is available. Alternately I would be happy to supply the tweeters at my cost plus shipping. That would be about $80/set of 4 plus shipping by Priority Mail International (about $17 to the UK).

I expect to have the plan set ready by mid December at the latest, hopefully a little sooner.
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Old 24th November 2012, 11:12 PM   #107
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A kind offer John, thanks. I cannot see any similar price and quality drivers, that are that small.

For those with Note speakers very close to the back wall, would front firing tweeters be preferred to front and rear?
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Old 25th November 2012, 01:04 AM   #108
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A kind offer John, thanks. I cannot see any similar price and quality drivers, that are that small.

For those with Note speakers very close to the back wall, would front firing tweeters be preferred to front and rear?
I consider the rear tweeter an option. I am presently running only fronts. I don't think it makes much difference with the x-o at 6 k Hz. But the rear can always be wired with a switch so it can be turned on or off.
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Old 25th November 2012, 06:35 PM   #109
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Well, the SS2004 is more spendy and a little bigger but I'm sure they could work? If you only need two a few extra sure won't feel too bad in the end.

Click the image to open in full size.

Europe Audio also lists Dayton ND20FA & FB on their homepage.
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Old 25th November 2012, 07:13 PM   #110
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Well, the SS2004 is more spendy and a little bigger but I'm sure they could work? If you only need two a few extra sure won't feel too bad in the end.

Click the image to open in full size.

Europe Audio also lists Dayton ND20FA & FB on their homepage.
I would strongly recommend using the correct Vifa tweeter. The SS will not work and the Dayton would require surgery to even see if it would work.
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