Mid-bass horn (easy to build) - Page 5

JoshK · 13th April 2011, 04:15 PM

Thanks for the further details guy!

doug20 · 07:52 PM

This is exactly what I have been looking for...awesome work Carpenter!!!

Is it possible to take your 80Hz horn design increase its size vertically and put 2 15" JBL2226Js (stacked) in it ??

Sheldon · 13th April 2011, 07:47 PM

Interesting build. I'm planning on building my unity horn system into corner soffits. Was going to go with sealed for the 15" midbass, but this thread has me thinking. I don't want to extend out too far from the corner. If the bass horn is mounted in a corner soffit, how much shorter can I make it and still get reasonable extension to mate with subs? It it promising enough to learn the modeling program, and can I incorporate the corner loading into the program?

Sheldon

JoshK · 13th April 2011, 08:06 PM

Have you had a chance to measure your horn to compare to the predicted plot?

revintage · 14th April 2011, 06:04 AM

Quote:

Is it possible to take your 80Hz horn design increase its size vertically and put 2 15" JBL2226Js (stacked) in it ??

Unfortunately the 2226 is not suitable for horns. If you anyway insist using them, use only one in each horn. But all virtues of Carpenters horn will anyway be lost. To check, take a few hours to learn Hornresp.

JoshK · 14th April 2011, 12:46 PM

Unfortunately the 2240 is obsolete although they pop up on epay. Carpenters mentioned the 18PS76 but I notice its T/S aren't really that close. I haven't put the numbers into Hornresp to see how it'd differ.

revintage · 01:12 PM

Why not use the easy-to-build concept with a 15" instead. The dimensions will work well with asuitable driver as At is only 523cm2.

revintage · 14th April 2011, 01:51 PM

This is a sim of the 80Hz adapted to EVM-15L.

doug20 · 15th April 2011, 02:57 PM

Quote:

Originally Posted by revintage

Unfortunately the 2226 is not suitable for horns. If you anyway insist using them, use only one in each horn. But all virtues of Carpenters horn will anyway be lost. To check, take a few hours to learn Hornresp.

Are you saying the 2226s are not suitable at all for any horn design?

I tried Hornresp for a small amount of time. Im better off hoping someone else will have a design for me.

revintage · 06:03 PM

Sorry for the OT!
Did a quickie on the 2226 as Hypex basshorn. A 35Hz/T=0,6 looks good. Can give it a little more time. If mono is acceptable one could also run them as a pair and give you a shorter horn. Doug, please start another thread if you want to continue.

13th April 2011, 07:42 PM	#42
doug20 diyAudio Member Join Date: Mar 2009	This is exactly what I have been looking for...awesome work Carpenter!!! Is it possible to take your 80Hz horn design increase its size vertically and put 2 15" JBL2226Js (stacked) in it ?? Last edited by doug20; 13th April 2011 at 07:52 PM.

14th April 2011, 01:08 PM	#47
revintage diyAudio Member Join Date: May 2007	Why not use the easy-to-build concept with a 15" instead. The dimensions will work well with asuitable driver as At is only 523cm2. Last edited by revintage; 14th April 2011 at 01:12 PM.

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13th April 2011, 04:15 PM	#41
JoshK diyAudio Member Join Date: May 2004 Location: Toronto, ON	Thanks for the further details guy!

13th April 2011, 07:47 PM	#43
Sheldon diyAudio Member Join Date: Dec 2003 Location: San Diego	Interesting build. I'm planning on building my unity horn system into corner soffits. Was going to go with sealed for the 15" midbass, but this thread has me thinking. I don't want to extend out too far from the corner. If the bass horn is mounted in a corner soffit, how much shorter can I make it and still get reasonable extension to mate with subs? It it promising enough to learn the modeling program, and can I incorporate the corner loading into the program? Sheldon

13th April 2011, 08:06 PM	#44
JoshK diyAudio Member Join Date: May 2004 Location: Toronto, ON	Have you had a chance to measure your horn to compare to the predicted plot?

14th April 2011, 12:46 PM	#46
JoshK diyAudio Member Join Date: May 2004 Location: Toronto, ON	Unfortunately the 2240 is obsolete although they pop up on epay. Carpenters mentioned the 18PS76 but I notice its T/S aren't really that close. I haven't put the numbers into Hornresp to see how it'd differ.