Guest David H Posted December 11, 2008 Share Posted December 11, 2008 I started a 2 inch Tractrix horn, this is just a prototype for testing. Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Once again someone else did the math, I am waiting to find out if I can share the design. Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Template fits perfect Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Next I had to build a jig, this time I used melamine because its easy to clean. Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Another Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 (edited) Sides installed, need to stay in the jig 3-4 hours while the glue dries. Edited April 18, 2014 by GotHover Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Yeah she's a big one. Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Another, with k55 mounted just for kicks. Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Side view, with beefed up 3/4 gussets for the heavy 2 inch drivers. Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Top View Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Motor mount. Quote Link to comment Share on other sites More sharing options...
Guest " " Posted December 11, 2008 Share Posted December 11, 2008 how does it sound Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 With the K55 it sounds smoother than the 1 inch version I am using in the Cornscala, I am Shipping it to JWC... for testing with JBL 2" drivers. If I can ever get a hold of him again. Quote Link to comment Share on other sites More sharing options...
MechMan Posted December 11, 2008 Share Posted December 11, 2008 That beast looks awesome. Can't wait for the sound results. Is it possible for a horn to ever be... TOO big? Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Is it possible for a horn to ever be... TOO big? Yes, when it doesnt fit in the room. Quote Link to comment Share on other sites More sharing options...
jwc Posted December 11, 2008 Share Posted December 11, 2008 Yes you can share the design. You should make these for people and sell. Seriously. You are quick and good. I just got back from the hospital......11:00pm...long day. These are 223Hz tractrix horns. These aren't really Edgar horns although the build style is similar and they are 100% tractrix flare right down to the millimeter. The edgar description of how to build a tractrix horn is a little off. The length of the horn becomes inaccurate with how the build is described. The mouth is 12 H and 24 W. This follows Edgars style of having the mouth twice as wide as the height. You can read his "midhorn" paper. This is one of many things I've "drawn up" and seriously don't have the time to make. I would love to hear one and run some curves outside with a 2" JBL 2446. jc Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 11, 2008 Share Posted December 11, 2008 Excellent, email me your shipping address and I will get it off to you. I only built one because I wanted you to check it for accuracy. Quote Link to comment Share on other sites More sharing options...
jwc Posted December 11, 2008 Share Posted December 11, 2008 check your pm... Quote Link to comment Share on other sites More sharing options...
Guest David H Posted December 13, 2008 Share Posted December 13, 2008 Horn is on its way, I am anxious to see your test results. Quote Link to comment Share on other sites More sharing options...
capo72 Posted December 15, 2008 Share Posted December 15, 2008 This is a project i'm very familiar with. You have done a good job. I too am anxious to see the test results. I have never got around to using or testing mine. Maybe one of these days Jeremy Quote Link to comment Share on other sites More sharing options...
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