Need a little help...

SsZERO · 19th May 2002, 07:13 AM

I am building some computer speakers, and I am trying to figure out what I need to do. There will be 2 speakers, and a sub in my system. I've decided to use two 3" Audax full-range drivers, and they are both rated at 20W RMS. The will be assembled into a bipolar-planar configuration, most likely up-firing unless anyone can tell me a better way.

I do not know which sub driver I'd like to use with them. I think I'm going to go with an 6 to 8" driver in a 8-10 liter ported enclosure...perhaps dual drivers.

To power these speakers and the sub, I want to have a separate amp unit. I want this amp unit to be able to deliver the full 20W RMS to the L and R speakers, and I want the sub to have around 160W RMS...for a total of 200W of power for the system.

Now how does this work? Can I get a 200W amp, and somehow divide the power into 3 separate channels? IS that what a preamp is for? I'd like this amp unit to be relatively small in size, as small as possible without compromising quality. I also want the unit to be able to control Volume, Bass, Treble, Balance and subwoofer level.

-= SsZERO =-

Peter Daniel · 22nd May 2002, 06:30 AM

To power your speakers and sub you need 3 channel amp. Maybe Home Theatre amp?

SsZERO · 22nd May 2002, 07:43 AM

Do home theater amps come in reasonably small sizes? Like maybe 6x7x1.5 inches? And what would I use to control volume, treble, bass and balance?

-= SsZERO =-

19th May 2002, 07:13 AM	#1
SsZERO diyAudio Member Join Date: Mar 2002 Location: Philadelphia, PA	Need a little help... I am building some computer speakers, and I am trying to figure out what I need to do. There will be 2 speakers, and a sub in my system. I've decided to use two 3" Audax full-range drivers, and they are both rated at 20W RMS. The will be assembled into a bipolar-planar configuration, most likely up-firing unless anyone can tell me a better way. I do not know which sub driver I'd like to use with them. I think I'm going to go with an 6 to 8" driver in a 8-10 liter ported enclosure...perhaps dual drivers. To power these speakers and the sub, I want to have a separate amp unit. I want this amp unit to be able to deliver the full 20W RMS to the L and R speakers, and I want the sub to have around 160W RMS...for a total of 200W of power for the system. Now how does this work? Can I get a 200W amp, and somehow divide the power into 3 separate channels? IS that what a preamp is for? I'd like this amp unit to be relatively small in size, as small as possible without compromising quality. I also want the unit to be able to control Volume, Bass, Treble, Balance and subwoofer level. -= SsZERO =-

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22nd May 2002, 06:30 AM	#2
Peter Daniel diyAudio Member Join Date: Jul 2002 Location: Toronto, Canada	To power your speakers and sub you need 3 channel amp. Maybe Home Theatre amp?

22nd May 2002, 07:43 AM	#3
SsZERO diyAudio Member Join Date: Mar 2002 Location: Philadelphia, PA	Do home theater amps come in reasonably small sizes? Like maybe 6x7x1.5 inches? And what would I use to control volume, treble, bass and balance? -= SsZERO =-