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Multi-Way Conventional loudspeakers with crossovers

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Old 22nd June 2009, 02:48 AM   #1
Murtz is offline Murtz  France
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Join Date: Jun 2009
Default Crossovers

I have a pair of Fostex 103e's at 15 watts , two Coral horn tweeters at 20 watts as well as a pair of JVC 15 inch woofers that cross at 800 hz that I think max out at 100 watts.
I have a Sansui 550 amp, two Quad 303's biamped with a 33 pre-amp, a separate 33 pre-amp connected to a 100 watt Quad 405, and a mint Akai AA-5800 that has been kept like new and sounds tight and crystal if that makes any sense. (I use it for some Bose's 901 series ll/w matching equalizer; that sounds very nice at reasonable volume).
I'm running a mix of speakers around the house right now but would like to use the Coral, Fostex, Jvc in a Tri-amped situation in a tight space that bleeds into a bigger area. I see using the Sansui 550 with two channels out to the Fostex/Coral at 16 watts and the Quad 405 for the JVC bass speaker. Any ideas how to passively crossover using three seperate amps?
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Old 22nd June 2009, 10:27 PM   #2
PeteMcK is offline PeteMcK
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Join Date: Feb 2002
Location: Western Sydney
something like this?
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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