IPL S3MTL - a speaker kit with a difference... [English]
Transmission Line Speaker Diy Speaker 2.5 Inch 3 Inch 4 Inch Bookshelf Speakers Hifi Speakers Maze Surround Speakers Empty - Other Home Heaters - AliExpress
Red Spade Audio: DIY Transmission Line Speakers
Audiogon Discussion Forum
DIY transmission line speaker fullrange 3 inch - YouTube
Transmission Line Speaker Diy Speaker 2.5 Inch 3 Inch 4 Inch Bookshelf Speakers Hifi Speakers Maze Surround Speakers Empty - Other Home Heaters - AliExpress