I need help with a crossover

[wnichol]

Could anyone help me with a crossover. I have two 4" drivers and a 1" tweeter. I am planning on making a center channel speaker. I do not know what the specs on the drivers are. I got them out of a preexisting floor speaker ( The main woofers are gone so I just have these lying around and I want to put them to use). Is there any way that I can make some kind of a x over without knowing any specs? If so please help

Thanks

 

[timc]

Rod Elliott has a good article on building passive crossovers.
It has a procedure for ploting the key points in a drivers
impedance curve, if you have a signal generator and multimeter.

http://sound.westhost.com/lr-passive.htm

Regards,
Tim