Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Stiff subwoofer cone Suspension ? Smaller box ?
Stiff subwoofer cone Suspension ? Smaller box ?
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
Thread Tools Search this Thread
Old 15th December 2012, 03:26 PM   #1
dannyjmf is offline dannyjmf  Saudi Arabia
diyAudio Member
dannyjmf's Avatar
Join Date: Feb 2010
Location: Riyadh Saudi Arabia
Default Stiff subwoofer cone Suspension ? Smaller box ?


I just bought 2 pcs of subwoofers for another car subwoofer project this time round. This time, the subwoofers i bought have stiff cone suspension.

I need to ask and clarify here isn't it in most cases that Stiff cone suspension subwoofers will use a much smaller box compared to loose cone suspension subwoofers? I plan to build a ported box for these 2 subwoofers.

Any advices are welcomed and much appreciated ...

  Reply With Quote
Old 27th December 2012, 02:38 AM   #2
head_unit is offline head_unit  United States
diyAudio Member
Join Date: Feb 2004
Location: Los Angeles
Definitely maybe.

Sorry, it's just impossible to say for certain. In a sealed box, the resonance is a function of the moving mass and the total stiffness (box + suspension). So a light, loose suspension woofer in a big box could have a very low resonance. Or a stiff but very heavy woofer in a small box could also have a low resonance.

I used to design car subs for one of the big companies in that business. The suspension is stiff mostly for reasons of durability (i.e. not shredding under high power). Car subs are trying to cram into a small box, therefore have a very heavy moving mass, therefore a soft suspension can't even hold the cone and the suspension has to be stiff.

You need to measure the parameters of the woofers in order for us to advise you about a box. Ported boxes are very very sensitive to the parameters, it's like rolling dice to build a box without parameters. Also if the box is small, it can become hard or impossible to put in a big enough port (or you may need a shelf port).

What model # are the subs?

Last edited by head_unit; 27th December 2012 at 02:40 AM.
  Reply With Quote
Old 27th December 2012, 03:40 AM   #3
Cal Weldon is offline Cal Weldon  Canada
diyAudio Moderator
Cal Weldon's Avatar
Join Date: Jan 2004
Location: Near Vancouver
Stiff subwoofer cone Suspension ? Smaller box ?
My great explanation just disappeared before my eyes and no way I could type that agfian so I'll just say "What he said" ^
planet10 needs your help:
Let's help Ruth and Dave
  Reply With Quote
Old 28th December 2012, 03:02 AM   #4
Inductor is offline Inductor  Portugal
diyAudio Member
Inductor's Avatar
Join Date: Feb 2006
Location: Cascais
Hey, my car has 4 very fat tires. What do you think about it?!
Just having some fun here dannyjmf. Give us the numbers or specs for your drivers.
(Answer: it's a truck.)
  Reply With Quote


Stiff subwoofer cone Suspension ? Smaller box ?Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Need HELP! Speaker cone stuck stiff? phillfyspoon Multi-Way 20 19th November 2013 02:27 AM
smaller than optimum box size BLH pforeman Full Range 2 17th January 2012 11:21 AM
In Bass reflex box (vented)-If I make smaller box than what consequences will I have? eliaselias_0 Multi-Way 6 3rd January 2011 04:49 PM
BIB sound from a smaller box ? sedge1 Full Range 19 20th November 2007 02:47 AM
A question about building a sealed box (acoustic suspension). piro Multi-Way 3 8th March 2005 09:51 PM

New To Site? Need Help?

All times are GMT. The time now is 08:02 PM.

Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.79%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright ©1999-2017 diyAudio