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Read the Post in new Window Read the Post in Threaded view  Post #55: Throat by Johan Dreyer on 2008-09-15 
Browse the content of the threads in new Window  Thread: Eventually - a reasonable midbass horn from GOTO in Horn-Loaded Speakers  97 Replies 
KeithGoto's recommendation is to buy the throat piece of a S150 horn(It comes in 2 pieces).Then have the horn cut to the exact diameter of your tractrix and have a flange welded on.They made a special adapter for my mid horn,but recommended the above...

Read the Post in new Window Read the Post in Threaded view  Post #50: Goto by Johan Dreyer on 2008-09-15 
Browse the content of the threads in new Window  Thread: Eventually - a reasonable midbass horn from GOTO in Horn-Loaded Speakers  97 Replies 
[IMG]http://img371.imageshack.us/img371/9168/024wk1.jpg[/IMG][IMG]http://img511.imageshack.us/img511/5269/goto1vk2.jpg[/IMG][IMG]http://img511.imageshack.us/img511/9093/goto2nc5.jpg[/IMG]...

Read the Post in new Window Read the Post in Threaded view  Post #24: Goto guts-burping rather than farting by Johan Dreyer on 2008-02-10 
Browse the content of the threads in new Window  Thread: Eventually - a reasonable midbass horn from GOTO in Horn-Loaded Speakers  97 Replies 
Romy I had a SG370 mid apart only yesterday.I should have taken a photograph.I have also seen the inside of the tweeter.They are very similar,so I have no reason to suppose the low mid SG 505 will be much different.I'll try to explain.I think they a...

Read the Post in new Window Read the Post in Threaded view  Post #9: Basshorn by Johan Dreyer on 2007-02-05 
Browse the content of the threads in new Window  Thread: Barn Conversion - James' Project in Horn-Loaded Speakers  28 Replies 
Romy I think what I gained from the basshorns were 1. "Speed"or lack of momentum.Specifically deep notes on piano.The sensation of that leftmost keys with the initial impact then followed by the resonance from the instrument as separate entities.I...

Read the Post in new Window Read the Post in Threaded view  Post #7: Basshorn by Johan Dreyer on 2007-02-05 
Browse the content of the threads in new Window  Thread: Barn Conversion - James' Project in Horn-Loaded Speakers  28 Replies 
Romy Your rules say no direct answers so forgive me this one. My horn is a true 21Hz horn.If you want to do the calcs:(More or less) Throat 6264 square cm.Mouth 48312 cmsq.M or Q 0.7 depth 3m.Quarter space loading.It does not quite make 21Hz.-3...
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