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Multi-Way Conventional loudspeakers with crossovers

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Old 29th January 2010, 10:06 AM   #1
laki101 is offline laki101  Serbia
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Default box design

building my firs ever DIY amp and speakers and cause of that I would like to stick to some checked design.

I need a design for 2 way speaker box with a 25cm bass and about 10cm middle (not sore yet exactly for middle tone one) 4 ohm if it matters some how

and one question more is do I need some different middle tone then if I were making a 3-way?
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Old 29th January 2010, 10:26 AM   #2
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Location: Cascais
Look here for a lot of experience and ideas, matching speaker drivers and xovers.
SEAS constructions

You mean that if you use a tweeter (*middle tone?) in a 2-Way config. (w. Woofer/Tweeter), that you can use the same tweeter in a 3-Way (Woofer/Mid-Woofer/Tweeter), yes that looks like it.

*By middle tone do you mean the mid frequencies or voice band like from a Mid or a Mid-Woofer, 300-2KHz range, (Squawker) or the top/high frequencies 2K-20KHz tweeter (?).
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Old 1st February 2010, 12:24 PM   #3
laki101 is offline laki101  Serbia
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By mid I mean the speaker for middle range frequencies like the one on a 3 way.
So to simplify the question: in 3 ways you use bass, mid range speaker and high tone speaker.In 2 way you use bass+mid range or high tone or some speacial for 2 ways?
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Old 1st February 2010, 01:14 PM   #4
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search for a F.A.S.T. projects in FULL Range forum

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Old 1st February 2010, 08:59 PM   #5
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Location: Western Sydney
Examples from the designs of others can be quite instructive:
DIY Loudspeaker Projects
Humble Homemade Hifi
Impedance varies with frequency, use impedance plots of your drivers and make crossover calculations using the actual impedance of the driver at the crossover frequency
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Old 1st February 2010, 09:36 PM   #6
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Originally Posted by laki101 View Post
In 2 way you use bass+mid range & high tone (tweeter)
Or, as barackuda alludes to, bass & mid-tweeter. This is my preferred approach as it puts the (evil) crossover in a place where the ear is less sensitive to XOs (because the wavelengths are longer and effective driver separation becomes much, much smaller)

Here is a place to start if this catches your imagination A thread for Tysen and variations on FAST

community sites,, ........ commercial site planet10-HiFi
p10-hifi forum here at diyA
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