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12" version of the hd15

Printed From: Speakerplans.com
Category: Plans
Forum Name: HD 15 horn
Forum Description: Discussion / Questions about the HD 15 horn
URL: https://forum.speakerplans.com/forum_posts.asp?TID=10256
Printed Date: 18 April 2024 at 10:07pm
Software Version: Web Wiz Forums 12.06 - https://www.webwizforums.com


Topic: 12" version of the hd15
Posted By: tears
Subject: 12" version of the hd15
Date Posted: 04 June 2007 at 3:29am
i will like to know if i could make the hd 15 smaller so that i can fit a 12" in it or do i have to redesign.
 
 
thank for all the help
 


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I will not quit



Replies:
Posted By: ceharden
Date Posted: 04 June 2007 at 8:56am
You could build a 12" version but it would be a quite different cab.  It would only be useable from about 100Hz upwards.


Posted By: DJ Vencenzo
Date Posted: 06 June 2007 at 6:22pm
i would love a 12 inch mid bass design!
 
for all of those like myself with 4 way systems.


Posted By: CaptainCaveman
Date Posted: 08 June 2007 at 10:58pm
Ceharden, why do you say this?
Surely the correct driver could do it?


Posted By: ceharden
Date Posted: 09 June 2007 at 2:13am
It is possible to design a 12" horn in theory that will do the job very well.  However trying to fit it into a sensibly shaped cab that is buildable is another matter.

What I meant is that you can't use the HD15 layout and scale it down for a 12".  If you did however you'd get something like the Funktion 1 low mid section.  But they cross over to that at 114Hz IIRC.

To use a 12" driver for a kick section you need a longer horn which brings the problem of getting it to sound nice due to multiple folds etc.

Does that make sense? It's late!



Posted By: CaptainCaveman
Date Posted: 09 June 2007 at 1:57pm

Yeah that makes sense, although. Im probably wrong but, if the xmax of the driver is long enough than the horn length can be shorter?

Thats how the tuba24 can play so low?

 



Posted By: tears
Date Posted: 13 June 2007 at 2:52am

ok a redesign for it.



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I will not quit


Posted By: Geigertron
Date Posted: 28 August 2013 at 9:45pm
Has anyone done this? I realise this is a old post, but did not see the point of starting new topic.

I'd like to build some myself, 100hz would be fine, something close to the kick bin in a tms5 maybe?

Also what driver would be best?




Posted By: Geigertron
Date Posted: 29 August 2013 at 10:12am
Or maybe a HD212?



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