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Multi-Way Conventional loudspeakers with crossovers

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Old 29th September 2007, 10:10 AM   #11
tinitus is offline tinitus  Europe
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Old 29th September 2007, 12:13 PM   #12
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Very good basics Shaun,
To read very attentively.

rinx, Fostex has very nice drivers. That will help with a very good design and xover.
Now, if you are looking for a midbass driver, say for between 200-3K make sure the resonant frequency is about or lower 100Hz (70 and 50 or lower is a good mark) so that it doesn't show through (impedance in the mid-band pass).

The same with the tweeter, if you point at 3k and up make sure Fs is lower than 1K being 800Hz a good mark as in the Fostex tweeter FT28D. There you go.
(As an example) If you choose a higher xover let's say 5k then your mid-high (mid speaker in your case) speaker has to have a good or "flat" output to about that frequency.

Another good thing is, you can always point to the xovers presented with the Fostex tweeters as a first look or design for your xover high pass (if there's no need for attenuation). It's a good start. It can also be different of course, but a 1., 2. or a 3.order xover printed there is always well adapted to the driver.
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Old 29th September 2007, 10:23 PM   #13
rinx is offline rinx  Estonia
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Thank you guys very much for suggestions. The sytem I am gonna do have to be really natural and sound "big"..lots of air in music and should play loud, if I am listening dancemusic. So I already decided for tweeter-it will be 810921. It seems to be quite new driver, but has nice quality.
NOW, the biggest thing is what to take for a midrange, I thing I am gonna cut midrange from 200 and 2-3.5k. So I have read that the bigger is midrange, the natural sound. Is that true?!

Please help to choose on of these-I hope you undestand that from these project I need really good and natural sound. And there gonna be 2 mids ind one speaker, so the system is then MTMW.


So, I have taken a look :
http://www.madisound.com/catalog/pro...oducts_id=1092

http://members.optusnet.com.au/~grad...blackwood.html
... Andy_G likes it and I found even a project with this one, but I am a littlebit afraid, that it wound sound natural and "big" and even I cant use enough power, if I am listening dancemusic.So, what do you think aboutit.And the price is good right now....

Then here is also on mind.

http://www.madisound.com/catalog/pro...oducts_id=1315

..and the third one what is my mind is here, it has really nice flat freq.curve:

http://www.madisound.com/catalog/PDF...ess/830860.pdf

So, can you help my with your suggestions to pick up one of these, OR if you have something better to recommend (50-60 dollars), just let me know.
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