Folded (reentrant) Horn, parametric

thingiverse

Design of Folded (Reentrant) Horn Typically Used in Public Address Systems. Read More About Horn Theory at Wikipedia: https://en.wikipedia.org/wiki/Horn_loudspeaker The Reentrant Horn Significantly Amplifies Sound, but at the Cost of Cutting Off Low Frequencies. See a Demonstration Here: https://youtu.be/as_s8Ir7qb0 This Horn Was Designed in Autodesk Inventor, with Many Properties Parametrically Defined. You Can Modify Cut-Off Frequency, Horn Length and Width, Speaker Radius, etc. See the Attached Image and Video: https://youtu.be/0CKh6awGGPM The Horn Shape Is Hypberbolic. Source Inventor File Included. This Published Horn Design Was Parameterized for a Specific Type of Loudspeaker: "1.5" Inch 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker" http://www.ebay.com/itm/331269348255?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT Note: The Base Part Includes a Supporting Cylinder (Brown Part at the Picture) for Better Print. It Can Be Disabled in Inventor If You Don't Want to Use It. You Can Also Check My Hyberbolic Horn Design: https://www.thingiverse.com/thing:1915305 UPDATE 12th Jul 2019: The Original Ipt File Does Not Work in Inventor 2019 - Probably an Issue with the Cosh Function. Attached Is a New File Modified for Inventor 2019.