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Old 26th January 2015, 04:05 PM   #1
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Join Date: Jan 2015
Location: Copenhagen, Denmark
Smile Need help designing horn

So I've decided to give my two Fane Classic 10/100's a little boost by building from loaded horn cabinets for them. But the math just kills me...

My requirements are:

The finished cabinet can be no larger than 70cm on all sides.
I only wish for the two sides of the cabinet to be curved (kind of like this Click the image to open in full size.).
Building in wood.

Has anyone got a useful tool that will help me design the cabinet and get the most out of my drivers?
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Old 26th January 2015, 09:29 PM   #2
GM is offline GM  United States
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Join Date: Jun 2003
Location: Chamblee, Ga.
Hornresp and AkAbak freeware can sim it once you know your driver's T/S specs and frequency response.

Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.
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Old 26th January 2015, 10:49 PM   #3
xrk971 is offline xrk971  United States
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Join Date: Oct 2012
Location: Metro DC area
Have a look at Ed Forker's website

He has a great spreadsheet for designing tractrix curved wall horns. You can just follow the prescription based on driver throat size and the low frequency you want to hit with the horn (determines the size). I have modeled and built a horn based on his prescription for a full range driver and it works great.

His website is here:
Download Section

The horn I built is in the Trynergy thread and also the 5MR450-NDY thread.

The spreadsheet is here:
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