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From: wwb@ihuxn.UUCP (Walt Barnes)
Newsgroups: net.audio
Subject: Cross-over networks for sub-woofers?
Message-ID: <1203@ihuxn.UUCP>
Date: Sat, 5-Oct-85 12:32:11 EDT
Article-I.D.: ihuxn.1203
Posted: Sat Oct  5 12:32:11 1985
Date-Received: Sun, 6-Oct-85 07:00:24 EDT
Distribution: net
Organization: AT&T Bell Laboratories
Lines: 12

I would like to build a sub-woofer for my stereo system.  I know how
to make crossover networks for regular speakers, but I can`t figure
out how to make one work for a sub-woofer.  The catch is that I want
bass from both right and left channels to driver the sub-woofer. 
I can use caps to eliminate the low frequencies sent to my
regular speakers and chokes to eliminate the high frequencies for
the sub-woofer, but how do I combine the left and right low
frequency signals so they can be sent to one speaker? 

						Thanks,
						Walt Barnes
						...!ihuxn!wwb