Calculating EBP for sealed enclosure drivers...

sberube · 3rd June 2004, 09:41 PM

Does anybody actually use the EBP (Fs/Qes) to determine the suitability of a driver for a sealed enclosure speaker or is this just concept nobody really cares about?

I've been browsing a local retailer's catalog trying to find a woofer with an EBP around 50 (as suggested in the LDC for sealed enclosures), but I can't seem to find any!

Sorry I'm a noob at this, and I'm just going through my first reading of the LDC.

Thanks.

GM · 3rd June 2004, 11:15 PM

I don't, but here's some listings by EBP: http://ldsg.snippets.org/sect-12.php3

GM

ashok · 4th June 2004, 08:14 AM

An EBP below 50 is recommended for a sealed box and if greater than 100 it is recommended to use a vented box.
There is no sharp defining border between the 50 and 100 figures.
You should be able to get Fs ( free air resonance frequency ) and Qes ( the electrical Q ) from a data sheet.
Hope this helps.
Cheers.

3rd June 2004, 09:41 PM	#1
sberube diyAudio Member Join Date: May 2004 Location: Charlotte, NC	Calculating EBP for sealed enclosure drivers... Does anybody actually use the EBP (Fs/Qes) to determine the suitability of a driver for a sealed enclosure speaker or is this just concept nobody really cares about? I've been browsing a local retailer's catalog trying to find a woofer with an EBP around 50 (as suggested in the LDC for sealed enclosures), but I can't seem to find any! Sorry I'm a noob at this, and I'm just going through my first reading of the LDC. Thanks.

3rd June 2004, 11:15 PM	#2
GM diyAudio Member Join Date: Jun 2003 Location: Chamblee, Ga.	I don't, but here's some listings by EBP: http://ldsg.snippets.org/sect-12.php3 GM __________________ Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.

4th June 2004, 08:14 AM	#3
ashok diyAudio Member Join Date: Jun 2002 Location: 3RS	We have covered this before I think. An EBP below 50 is recommended for a sealed box and if greater than 100 it is recommended to use a vented box. There is no sharp defining border between the 50 and 100 figures. You should be able to get Fs ( free air resonance frequency ) and Qes ( the electrical Q ) from a data sheet. Hope this helps. Cheers. __________________ AM

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