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Read the Post in new Window Read the Post in Threaded view  Post #99: Volvotreter by Wojtek on 2009-07-30 
Browse the content of the threads in new Window  Thread: Problems with horns: upper bass in Horn-Loaded Speakers  109 Replies 
Get in touch with Erik if you're not familiar with volvotreter web site already. His Trax calculator includes CAD numbers for profile drawing.I'm not sure how useful it'll be for your friend's CNC router. Check out www.diyaudio.com and AA for JLH Joh...

Read the Post in new Window Read the Post in Threaded view  Post #1: Mid Bass horns help with plans please. by Tubebuilder on 2011-01-16 
Browse the content of the threads in new Window  Thread: Mid Bass horns help with plans please. in Horn-Loaded Speakers  4 Replies 
Gday I am building a horn system. Ihave 2 sets of plans .http://www.volvotreter.de/downloads/150Hz_Midbass_Tractrix_Horn_v1.3a.pdf this one is a 150http://www.geocities.jp/arai401204/Download_Page/Download.html and this one is the first in this page ...

Read the Post in new Window Read the Post in Threaded view  Post #45: Eric of Volvotreter's tapped Horns by oxric on 2011-04-08 
Browse the content of the threads in new Window  Thread: The tapped horns: cons, pros and Sound in Horn-Loaded Speakers  57 Replies 
Eric of Volvotreter seems very happy with the performance of the tapped horns in his horn loaded system. You can find out more here:http://www.volvotreter.de/th.htmRegardsRakesh...

Read the Post in new Window Read the Post in Threaded view  Post #22: A Euro perspective on upper bass horns by skushino on 2006-05-22 
Browse the content of the threads in new Window  Thread: Problems with horns: upper bass in Horn-Loaded Speakers  109 Replies 
Excerpted from:http://www.volvotreter.de/pics_plans.htm Design Basis Summary total horn length (incl. back chamber) shall not exceed 1,00m the horn shall have conical approximation of a hyperbolic flare contur with m=0.6 the horn shall have a...

Read the Post in new Window Read the Post in Threaded view  Post #11: Re: Phase Plugs and Upper Bass by angeloitacare-idiot on 2006-09-24 
Browse the content of the threads in new Window  Thread: Transition : Driver to throat, when throat is smaller than d... in Horn-Loaded Speakers  11 Replies 
hi Jd* probably u know the site of volvotreter, with quit a nice description how to built a wood tractrix horn. http://www.volvotreter.de/roundhorns.htm i want to built a tractrix horn with 95cm diameter hornmouth. Have u made such a horn ...

Read the Post in new Window Read the Post in Threaded view  Post #104: Hornresponse... by chaos on 2008-07-26 
Browse the content of the threads in new Window  Thread: Jessie Dazzle Project in Horn-Loaded Speakers  172 Replies 
for me its a nice little help, just to get a feeling how horns behave. but i did not modify hornresponse(would not be able to do;-), just changed volvotreter´s xls -horncalculator a little bit. you have to paste the values of hornresponse to the xls-...

Read the Post in new Window Read the Post in Threaded view  Post #99: Volvotreter by Wojtek on 2009-07-30 
Browse the content of the threads in new Window  Thread: Problems with horns: upper bass in Horn-Loaded Speakers  109 Replies 
Get in touch with Erik if you're not familiar with volvotreter web site already. His Trax calculator includes CAD numbers for profile drawing.I'm not sure how useful it'll be for your friend's CNC router. Check out www.diyaudio.com and AA for JLH Joh...

Read the Post in new Window Read the Post in Threaded view  Post #3: Horns by Blaukopf on 2015-07-05 
Browse the content of the threads in new Window  Thread: Tractrix Bass horn vs Spherical Wave Horn - Bass loading in Horn-Loaded Speakers  11 Replies 
Hello Romy, thank you for the answers. Your horns have a round mouth, but their profile is not spherical. That is the profile of the Avantgarde Horns you formely had - apparentyl you have anayzed them intensively, could you elaborate what problems yo...

Read the Post in new Window Read the Post in Threaded view  Post #12: Throat size:formula by chaos on 2008-07-02 
Browse the content of the threads in new Window  Thread: 60hz, GPA-515-8ghp horn... in Horn-Loaded Speakers  32 Replies 
jezzie i used this formular for throatsize:St=2PIxFSxQesXVas/ci, m very close, my horn is just 2" shorter.it would not be a big problem to make it longer, but in my small room every inch counts.on the other side, if somebody with experience tells me....

Read the Post in new Window Read the Post in Threaded view  Post #42: Pic of new 30Hz tapped horn by atilsley169 on 2012-07-28 
Browse the content of the threads in new Window  Thread: Andrew's new 4-way horn using Stereolabs stone horns and DIY... in Horn-Loaded Speakers  43 Replies 
Sitting here enjoying a Miller Genuine Draft (with slice of lemon!). Today, spent a lazy 2 hours building the new 30Hz Tapped Horn sub. Oh so easy. All panels pre-cut by supplier...just drew them up, glued and clamped. Tomorrow I'l...

Read the Post in new Window Read the Post in Threaded view  Post #139: And now we know why you are not making progress.... by rowuk on 2015-10-22 
Browse the content of the threads in new Window  Thread: Another time aligned 5-way horn project in Horn-Loaded Speakers  189 Replies 
Wiki and google are not the best, but is a start:https://en.wikipedia.org/wiki/Compression_driverMass related horn issues:http://www.positive-feedback.com/Issue4/edgarinterview.htmhttp://volvotreter.de/downloads/Edgar-Show-Horn.pdfHorn loading:https:...

Read the Post in new Window Read the Post in Threaded view  Post #23: Re: A Euro perspective on upper bass horns by skushino on 2006-05-22 
Browse the content of the threads in new Window  Thread: Problems with horns: upper bass in Horn-Loaded Speakers  109 Replies 
more info about this horn from AA:http://db.audioasylum.com/cgi/m.mpl?forum=hug&n=107444&highlight=edgar&r=&session=These horns are an alternative to my 150Hz Tractrix. They are 77Hz, 3/16 mouth front horns with a conical shape. This ...

Read the Post in new Window Read the Post in Threaded view  Post #142: Horn theory by Murataltuev on 2015-10-26 
Browse the content of the threads in new Window  Thread: Another time aligned 5-way horn project in Horn-Loaded Speakers  189 Replies 
[quote user="rowuk"]Wiki and google are not the best, but is a start:https://en.wikipedia.org/wiki/Compression_driverMass related horn issues:http://www.positive-feedback.com/Issue4/edgarinterview.htmhttp://volvotreter.de/downloads/Edgar-Show-Horn.pd...

Read the Post in new Window Read the Post in Threaded view  Post #40: Why this system is better than Avantgarde Trio by atilsley169 on 2012-07-20 
Browse the content of the threads in new Window  Thread: Andrew's new 4-way horn using Stereolabs stone horns and DIY... in Horn-Loaded Speakers  43 Replies 
Running in drivers...and the sound is getting better and better...just lovely.This weekend, I'll relocate my mid bass horns to fire directly out to the room. The angled baffles work very well for integration of sound with the mid horns...but I'll get...

Read the Post in new Window Read the Post in Threaded view  Post #78: Ideal ULF/Midbass integration by oxric on 2011-03-12 
Browse the content of the threads in new Window  Thread: Macondo’s lowest channel. in Horn-Loaded Speakers  150 Replies 
Hi Roberts, Romy and others,Before this thread vanishes in undeserved obscurity, I have a question or two for you. I understand that the issue is a complex one and should be addressed with more care and paying attention to detail than I am do...

Read the Post in new Window Read the Post in Threaded view  Post #1: Another time aligned 5-way horn project by Murataltuev on 2015-08-12 
Browse the content of the threads in new Window  Thread: Another time aligned 5-way horn project in Horn-Loaded Speakers  189 Replies 
I would like to share my 5-way horn project. The idea was to have full range system, so the first horn built was Tapped Horn. I got design from Volvotreter.de and was really impressed with performance of this monster. ...

Read the Post in new Window Read the Post in Threaded view  Post #4: Tip #1. by Romy the Cat on 2015-07-05 
Browse the content of the threads in new Window  Thread: Tractrix Bass horn vs Spherical Wave Horn - Bass loading in Horn-Loaded Speakers  11 Replies 
[quote user="Blaukopf"]Hello Romy, thank you for the answers. Your horns have a round mouth, but their profile is not spherical. That is the profile of the Avantgarde Horns you formely had - apparentyl you have anayzed them intensively, could you...
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