• Item: Horn loaded full range speakers  
  • Type: DIY Mauhorn XII & Lowther EX2  
  • Posted: 12 July 2013  
  • Builder: julienlebas  
  • Country: Germany  
  • Comments: 9  


This is a modified version of the Mauhorn XII, made of CNC'd MDF, with a white satin paint finish. A BSC network is needed to tame the mid range, and variations on the network are still been explored to find the optimal values. These speakers are driven by a 300B/310A SE amps visible here (http://www.homebuilthifi.com/project/3032).
Although the Lowthers still need a lot of run in, the result is already very nice, clear and smooth. A bit short on bass but this is no surprise. Oh, and they look really cool.


  • hbi
  • 12 July 2013 at 05:19AM
  • Congratulations julienlebas! Enclosure configuration is suitable for your gain. The design is very successful and handsome. Enjoying them!
  • Tamiya
  • 14 October 2015 at 02:30AM
  • Hi where we can buy this product and how much it cost thank's
  • Eurocub
  • 17 December 2016 at 07:14AM
  • Hi Julien, some time ago, you kindly sent me the CAD/CAM files for this great project. The size put off my partner so I made something a bit smaller, posted here (TABAQ).

    New (smaller) plans are afoot: I have a line drawing of a back loaded horn, similar to Sp01, but have no data files. I wonder if you have any tips on how to convert a drawing into data files since you obviously have the experience.


    John Self (Eurocub)
  • tamm007
  • 4 September 2018 at 03:13PM
  • Hi there,
    I am trying to build smth similar to the speakers you have allready designed. Is there a way that you kindly provide me the CAD drawings of the project?? I´ll try to build the same kind speakers for home usage. All tips and tricks are most welcome, as this would be my first DIY project :-) Thank you!
  • tom350d
  • 10 February 2019 at 04:15AM
  • Hi Julien,

    Congrats with the build.
    Same question here, can you provide CAD plans or DXF files for this project?

    Thanks, Tom Van den Bergh
  • Tum
  • 15 January 2020 at 08:41AM
  • Hi
    I am interest this project
    Do you have blue print for this project
  • Frasson
  • 30 July 2020 at 02:00AM
  • you can have the designs of this project, the type of a speaker.
    Thank you
  • Oliver1976
  • 12 December 2021 at 04:08AM
  • Hi,

    looking for this design for some time ( for my Tannoy's) would you care to share

    regards, Oliver
  • Tihi
  • 18 June 2022 at 05:44PM
  • Hello Julien,
    May I have the CAD data pls?

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