Subwoofer controller

Denis.BR · 8th March 2007, 04:43 PM

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 · 8th March 2007, 04:56 PM

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 · 8th March 2007, 05:05 PM

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 · 9th March 2007, 06:42 AM

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 · 9th March 2007, 02:43 PM

Cool!

Thanks Bibster! Thats all I need!

8th March 2007, 04:43 PM	#1
Denis.BR diyAudio Member Join Date: Mar 2007	Subwoofer controller 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?

8th March 2007, 04:56 PM	#2
zlast diyAudio Member Join Date: Sep 2004 Location: none	Subwoofer controller 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 __________________ none

9th March 2007, 06:42 AM	#4
bibster diyAudio Member Join Date: Aug 2004 Location: Lasbordes, 11400	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 __________________ Demagogue: One who preaches a doctrine he knows to be untrue to men he knows to be idiots. H.L. Mencken

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8th March 2007, 05:05 PM	#3
Denis.BR diyAudio Member Join Date: Mar 2007	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

9th March 2007, 02:43 PM	#5
Denis.BR diyAudio Member Join Date: Mar 2007	Cool! Thanks Bibster! Thats all I need!

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