IWISTAO HIFI Empty Wood Horn Solid 1 Inch Throat Hole 1 Pair Treble Compensation for Full Range Speakers - AliExpress
Allwood Horn 610F Oak - Allwood Horn 610F Oak 1" constant directivity wood horn. Allwood Horn 610F Oak constant directivity horns made with red oak available here at US Speaker.
Markus Klug's 'Klughoerner' hand-crafted wood replicas of historic Altec multi-cell horns! (updated with more photos) - Jeff's Place
PiSpeakers Forum - Woodhorn tweeter measurements - Wayne Parham, July 24, 2007 at 17:09:00
DIY Wood horn speakers. Part 1. - YouTube
Gorgeous wooden horn speakers are made from reclaimed liquor barrels
fiddle & hammer's horn speakers from reclaimed liquor barrels