I compare the classic Altec 811B horn against the ES-600 Biradial with a full set of acoustical measurements for both. I also test the Altec 804-8A compression driver.
Further Reading...
Altec 811B with TAD TD-2001
https://josephcrowe.com/blogs/news/altec-811b-with-tad-td-2001
Altec 806-8A Compression Driver
https://josephcrowe.com/blogs/news/altec-806-8a-compression-driver
Altec 806-8A on Altec 811B Horn
https://josephcrowe.com/blogs/news/altec-806-8a-on-altec-811b-horn
ES-600 Biradial with TAD TD-2001
https://josephcrowe.com/blogs/news/es-600-biradial-with-tad-td-2001
Product Link for ES-600 Biradial
https://josephcrowe.com/products/copy-of-es-600-bi-radial-wood-horn
Current Blog Page: https://josephcrowe.com/blogs/news
Legacy Blog Page: http://croweaudio.blogspot.com/
Website: https://josephcrowe.com/
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Troy Joseph Crowe is a small business located in Canada. He offers custom audio products such as wood horns and speaker cabinet design. He provides services to either individuals, small businesses, or start-ups. All of His designs are available for personal use in the form of 3D CAD files or CNC G-Code. If using for commercial use then licensing may be required for certain technologies. Joseph Crowe has a background in Mechanical Engineering Technology with extensive experience in both the Audio Industry and the Automotive Industry. All design work is done using SolidWorks 3D CAD modeling software. His focus is on audiophile two-channel music systems for the most accurate sound reproduction. Joseph Crowe follows a very methodical design process. Using acoustical and electrical measurement, along with various computer simulations, he can achieve designs that meet or exceed the original performance