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Multi-Way Conventional loudspeakers with crossovers

What to choose?!
What to choose?!
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Old 29th September 2007, 11:10 AM   #11
tinitus is offline tinitus  Europe
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What to choose?!
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Old 29th September 2007, 01:13 PM   #12
Inductor is offline Inductor  Portugal
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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, 11:23 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 :

... 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.


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


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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