Looking to build a sub.

jaybird · 13th May 2003, 06:39 PM

Hello everyone.
I'm looking to build the best subwoofer for my system. I currently have Paradigm Studio 100's and studio 20's for my surrounds. I run the 100's with an Adcom 200 x 2 and the 20's with my onkyo 787 (which pushes 100 x 6). I also have the matching center channel. Cost is not really an object if the end result is near perfection. Any ideas, comments, or questions are welcome. Thank you for your thoughts and ideas. Justin

leadbelly · 13th May 2003, 09:51 PM

Is it a HT only system, or is music as important/more important? How are you planning to power the sub or subs? Do you plan to use the filter in the receiver, and do you know what freq settings and filter slope/design is? Am I asking too many questions?

jaybird · 13th May 2003, 10:24 PM

I listen to a lot of concert dvd's so I would say music is more important than HT. This will be the first speaker I've attempted, so my knowledge is limited. I do not know what freq settings and filter slope/design is. I don't know if I should use my receivers filter to be honest. I want to be able to adjust the frequency on the sub down to 30 hz or so. Sorry for my lack of knowledge. It would be apprechiated if you could steer me in the right direction.

fatbus · 13th May 2003, 11:40 PM

I have recently built North Creeks Posiedon. It is relatively inexpensive and is really amazing for music. I highly recommend it but if your room is big you may require 2, which is no a bad thing in my mind. Check out www.northcreekmusic.com.

leadbelly · 13th May 2003, 11:45 PM

Well, it sounds like you should research a bit more.

You speak of music being important and budget being open, so those 2 things suggest to me that a pair of subs would suit you better, if you have the space.

And maybe the higher end sub amps that feature a 4th order lowpass filter rather than what's likely a 2nd order in your receiver. Not that 4th order is a panacea, but in the practical world where your system is mostly bought, your room & furniture are fixed, a sharp crossover slope helps integrate with your speakers.

What size could you tolerate for an enclosure?

jleaman · 14th May 2003, 12:49 AM

don't mean to be rude but your speakers would sound KILLER with the Paradigm pw-2200 Nice sub and loud and will be best to suit the speakers you have now.

mikee12345 · 14th May 2003, 12:52 AM

www.diysubwoofers.org

i see the only reason for a 4th order filter,

is because people have their subs 10db higher than their mains in level(perhaps like me),so to prevent voices coming out the sub,they need high order filters.

a 2nd order wil work- if you have to go 2nd order (12db octave)

13th May 2003, 06:39 PM	#1
jaybird diyAudio Member Join Date: Jan 2003 Location: cincinnati	Looking to build a sub. Hello everyone. I'm looking to build the best subwoofer for my system. I currently have Paradigm Studio 100's and studio 20's for my surrounds. I run the 100's with an Adcom 200 x 2 and the 20's with my onkyo 787 (which pushes 100 x 6). I also have the matching center channel. Cost is not really an object if the end result is near perfection. Any ideas, comments, or questions are welcome. Thank you for your thoughts and ideas. Justin

13th May 2003, 09:51 PM	#2
leadbelly diyAudio Member Join Date: Dec 2002 Location: Calgary, Alberta	Is it a HT only system, or is music as important/more important? How are you planning to power the sub or subs? Do you plan to use the filter in the receiver, and do you know what freq settings and filter slope/design is? Am I asking too many questions? __________________ Aerodynamics are for people who can't build engines. Enzo Ferrari

13th May 2003, 10:24 PM	#3
jaybird diyAudio Member Join Date: Jan 2003 Location: cincinnati	Some answers? I listen to a lot of concert dvd's so I would say music is more important than HT. This will be the first speaker I've attempted, so my knowledge is limited. I do not know what freq settings and filter slope/design is. I don't know if I should use my receivers filter to be honest. I want to be able to adjust the frequency on the sub down to 30 hz or so. Sorry for my lack of knowledge. It would be apprechiated if you could steer me in the right direction.

13th May 2003, 11:45 PM	#5
leadbelly diyAudio Member Join Date: Dec 2002 Location: Calgary, Alberta	Well, it sounds like you should research a bit more. You speak of music being important and budget being open, so those 2 things suggest to me that a pair of subs would suit you better, if you have the space. And maybe the higher end sub amps that feature a 4th order lowpass filter rather than what's likely a 2nd order in your receiver. Not that 4th order is a panacea, but in the practical world where your system is mostly bought, your room & furniture are fixed, a sharp crossover slope helps integrate with your speakers. What size could you tolerate for an enclosure? __________________ Aerodynamics are for people who can't build engines. Enzo Ferrari

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13th May 2003, 11:40 PM	#4
fatbus diyAudio Member Join Date: May 2003 Location: Calgary, AB	I have recently built North Creeks Posiedon. It is relatively inexpensive and is really amazing for music. I highly recommend it but if your room is big you may require 2, which is no a bad thing in my mind. Check out www.northcreekmusic.com.

14th May 2003, 12:49 AM	#6
jleaman Banned Join Date: Apr 2002	don't mean to be rude but your speakers would sound KILLER with the Paradigm pw-2200 Nice sub and loud and will be best to suit the speakers you have now.

14th May 2003, 12:52 AM	#7
mikee12345 diyAudio Member Join Date: Nov 2002 Location: NZ	www.diysubwoofers.org i see the only reason for a 4th order filter, is because people have their subs 10db higher than their mains in level(perhaps like me),so to prevent voices coming out the sub,they need high order filters. a 2nd order wil work- if you have to go 2nd order (12db octave)

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