diyAudio Forums Archive > Top > Loudspeakers > Subwoofers Subwoofer controller - Click HERE for Original Thread Denis.BR Hi there. I need a subwoofer controller for may home made 2.1 amp. What I need is to take both L and R channels, mix them into a single mono channel and control the gain and maybe the frequency cut around the 100hz (not necessary, but wold be good) Does anyone know a project supplyed by 12v? zlast http://sound.westhost.com/project09.htm http://sound.westhost.com/project48.htm http://sound.westhost.com/project28.htm http://sound.westhost.com/project71.htm http://sound.westhost.com/project05a.htm Denis.BR well, I already saw these projects, but they need a +15 0v -15v rail. I only have available a +12 0v and a +33v 0v source. if I could change these power supplyes to +15 0 -15 it would be nice too. ps: sorry about the typing error on subEwoofer bibster Split your +33V rail like this: http://sound.westhost.com/project43.htm If you don't draw too much current, this works quite okay Cheers, Paul Denis.BR Cool! Thanks Bibster! Thats all I need!

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