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MatthiasA
04-10-2005, 08:46 AM
Hello i want built after my S2600 project a frontloaded Horn
i will change my Subwoofer which contains two 15" woofers into a frontloaded Horn!

unfortunately the two woofers are not from JBL....
but if i find suitable construction plans Altec / JBL of frontloadad horns
i will sell the wooofers on ebay an buy jbl pro woofers

have anybody building plans ? or internet sites , pictures of those horns

greetings matthias

Charley Rummel
04-10-2005, 07:07 PM
Check out this websight. I addition to the 4520 you see on the opening page, there are several other low frequency designs available here, and they are in German as well.

http://members.aol.com/xxbase80a.html

Regards,
Charley

MatthiasA
04-11-2005, 08:12 AM
sorry but ... the link is dead ..:(

greetings matthias

Don C
04-11-2005, 08:36 AM
I cant get any of the pages to load, but here's a fixed link.

http://members.aol.com/xxbase80a/

MatthiasA
04-11-2005, 08:49 AM
i wand to build two woofer horns such like this!
how can i calculate that ?

whgeiger
04-12-2005, 11:52 AM
i wand to build two woofer horns such like this!
how can i calculate that ?
MA,

The bass horn shown here is much too short for sub-woofer duty. For that you will need to fold up a much larger one and put it into a room corner.

For examples of these, see the drawings of the JBL Hartsfield enclosure:

http://www.lansingheritage.org/html/jbl/plans/harts.htm (http://www.lansingheritage.org/html/jbl/plans/harts.htm)

For Klipsch corner horn construction plans and other horn design information see Jeff Robinsonís site:

http://www.geocities.com/loudspeakerguru/subindex_page1.html (http://www.geocities.com/loudspeakerguru/subindex_page1.html)

To address bass horn flare rate and related calculations see John Sheerinís site:

http://ldsg.snippets.org/HORNS/design.html (http://ldsg.snippets.org/HORNS/design.html)

To simulate bass horns and determine what is required, use the following program from David McBean:

Horn Loudspeaker Response Analysis Program
http://www.users.bigpond.com/dmcbean/ (http://www.users.bigpond.com/dmcbean/)

Regards,

WHG