Recommend a 8" Subwoofer driver

dannyjmf · 6th November 2010, 02:23 PM

I am planning to build a subwoofer system with a vented box of 38L and 2.5in vent 12in long tuned to about 29 Hz ... Any driver to recommend for this box specification? Thanks

no gas · 6th November 2010, 03:21 PM

Why would you tune a box before you know what woofer you are using? If you are stuck with a certain size box first find a woofer that will work in that volume THEN tune the port. What you are doing now is like buying a tire first then asking what kind of car you should put it on!

Psychobiker · 6th November 2010, 03:40 PM

WinISD. Go forth and google.

dannyjmf · 7th November 2010, 01:10 AM

The reason i selected this volume size and tuning Frequency is due to this is my desired target design. I don't have much space in my bedroom. Dimension of the box i will settle on is W=10in, H=20in, D=16in.

Actually i do have a box with the same volume and tuning frequency with an unknown brand woofer. It sounded quite ok (extended to about 34Hz) but tend to bottom up when driven hard. I am planning to rebuild a box with a same internal volume but with different dimension but to try out different brand woofers. The vent length is not critical as i can shorten or make it longer. I would like to target 38L as my maximum internal volume to keep my project cost low down and also to save space

So if i want to get away with a small box such as this size(besides recommend woofers), what alternative can you guy recommend? Thanks alot...

Psychobiker · 7th November 2010, 01:16 AM

Maybe better off building a transmission line for bass extension

dannyjmf · 7th November 2010, 01:25 AM

i heard that to build a transmission line system most often will end up in a big box(not sure or not).... how about isobaric system? i do not want another driver to stick out in front of my box!

If possible can have a medium size box to deliver massive amount of bass ... Thanks...

Psychobiker · 7th November 2010, 01:28 AM

depends how you fold it and what multiple/divisible of a wavelength you use!

dannyjmf · 7th November 2010, 01:31 AM

if say for example i am going for isobaric system, how am i going to hide the second driver from view.... i heard it is possible to do so .... ?

GM · 7th November 2010, 03:48 AM

JL Audio - Car Audio Systems

As you can see, it eats up a lot of space, making a small cab not so small.

GM

tinitus · 7th November 2010, 04:41 AM

despite its car subs, some of the cheaper RE Audio might interesting

6th November 2010, 02:23 PM	#1
dannyjmf diyAudio Member Join Date: Feb 2010 Location: Malaysia - Melaka	Recommend a 8" Subwoofer driver I am planning to build a subwoofer system with a vented box of 38L and 2.5in vent 12in long tuned to about 29 Hz ... Any driver to recommend for this box specification? Thanks

6th November 2010, 03:40 PM	#3
Psychobiker diyAudio Member Join Date: Jul 2005 Location: Montréal QC	WinISD. Go forth and google. __________________ http://blog.liammartin.com

7th November 2010, 01:16 AM	#5
Psychobiker diyAudio Member Join Date: Jul 2005 Location: Montréal QC	Maybe better off building a transmission line for bass extension __________________ http://blog.liammartin.com

7th November 2010, 01:28 AM	#7
Psychobiker diyAudio Member Join Date: Jul 2005 Location: Montréal QC	depends how you fold it and what multiple/divisible of a wavelength you use! __________________ http://blog.liammartin.com

7th November 2010, 03:48 AM	#9
GM diyAudio Member Join Date: Jun 2003 Location: Chamblee, Ga.	JL Audio - Car Audio Systems As you can see, it eats up a lot of space, making a small cab not so small. GM __________________ Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

6th November 2010, 03:21 PM	#2
no gas diyAudio Member Join Date: Jul 2010 Location: Los Angeles	Why would you tune a box before you know what woofer you are using? If you are stuck with a certain size box first find a woofer that will work in that volume THEN tune the port. What you are doing now is like buying a tire first then asking what kind of car you should put it on!

7th November 2010, 01:10 AM	#4
dannyjmf diyAudio Member Join Date: Feb 2010 Location: Malaysia - Melaka	The reason i selected this volume size and tuning Frequency is due to this is my desired target design. I don't have much space in my bedroom. Dimension of the box i will settle on is W=10in, H=20in, D=16in. Actually i do have a box with the same volume and tuning frequency with an unknown brand woofer. It sounded quite ok (extended to about 34Hz) but tend to bottom up when driven hard. I am planning to rebuild a box with a same internal volume but with different dimension but to try out different brand woofers. The vent length is not critical as i can shorten or make it longer. I would like to target 38L as my maximum internal volume to keep my project cost low down and also to save space So if i want to get away with a small box such as this size(besides recommend woofers), what alternative can you guy recommend? Thanks alot...

7th November 2010, 01:25 AM	#6
dannyjmf diyAudio Member Join Date: Feb 2010 Location: Malaysia - Melaka	i heard that to build a transmission line system most often will end up in a big box(not sure or not).... how about isobaric system? i do not want another driver to stick out in front of my box! If possible can have a medium size box to deliver massive amount of bass ... Thanks...

7th November 2010, 01:31 AM	#8
dannyjmf diyAudio Member Join Date: Feb 2010 Location: Malaysia - Melaka	if say for example i am going for isobaric system, how am i going to hide the second driver from view.... i heard it is possible to do so .... ?

7th November 2010, 04:41 AM	#10
tinitus diyAudio Moderator Join Date: Nov 2005	despite its car subs, some of the cheaper RE Audio might interesting

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