surface area, make a difference?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=28152
Printed Date: June 10, 2024 at 3:08 AM

Topic: surface area, make a difference?

Posted By: USMC860222
Subject: surface area, make a difference?
Date Posted: March 10, 2004 at 10:22 PM

i know i was reading about surface area making a difference because the sub pushes more air. So if i were to take a 12 inch speaker not that im going to and take semi spheres and epoxy the flat end to the cone there would be more surface area correct. Would it make it louder or deeper if i did this on either side of the cone?

Replies:

Posted By: Steven Kephart
Date Posted: March 11, 2004 at 2:11 AM

Yes it will effect the sound, but not how you describe. What will happen is that the added mass will lower Fs and efficiency.

But it wouldn't work. Have you ever had a subwoofer out of an enclosure playing music? It doesn't play loud at all. It plays much louder with the enclosure because the front wave is seperated fromt he back wave.

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