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Read the Post in new Window Read the Post in Threaded view  Post #8: Delayed by Delay by Greg B on 2005-08-09 
Browse the content of the threads in new Window  Thread: Chinese upperbass horn. in Horn-Loaded Speakers  35 Replies 
Yeah, the delay is the rub. I know that it's sacrilege, but at this moment going digital with an additional A/D/D/A stage is probably the best way to do it. I know a couple electronic geeks that could design a high resolution analog delay, but the...

Read the Post in new Window Read the Post in Threaded view  Post #20: Re: Tweeters: a new round. by Greg B on 2005-08-08 
Browse the content of the threads in new Window  Thread: Electro-Voice T350, T35, + Fostex tweeters. in Horn-Loaded Speakers  34 Replies 
It's still first order since you have more than two octaves overlap. But it's a two pole quasi first order as well. I use this trick sometimes. The problem with first order is that excursion continues to rise below the crossover point, which of co...

Read the Post in new Window Read the Post in Threaded view  Post #4: Mine's bigger by Greg B on 2005-08-08 
Browse the content of the threads in new Window  Thread: Chinese upperbass horn. in Horn-Loaded Speakers  35 Replies 
http://www.modernsolutions.com/artichoke/images/hornbwfront.jpghttp://www.modernsolutions.com/artichoke/images/hornside.jpghttp://www.modernsolutions.com/artichoke/images/horndan.jpgOK, here is my attempt at the big white trash sound! A really big fr...

Read the Post in new Window Read the Post in Threaded view  Post #17: Re: Non-preposterous idea.... by Greg B on 2005-08-07 
Browse the content of the threads in new Window  Thread: Electro-Voice T350, T35, + Fostex tweeters. in Horn-Loaded Speakers  34 Replies 
I tried for at least a year to get some Aurum Cantus G3 ribbons to work in my high efficiency system, and never could. I tried everything.  I finally concluded that ribbon drivers do not work with HE systems. A $6 motorola piezo horn with som...

Read the Post in new Window Read the Post in Threaded view  Post #11: Re: Crossover or non-crossover help need. by Greg B on 2005-01-05 
Browse the content of the threads in new Window  Thread: Crossover or non-crossover help need. in Horn-Loaded Speakers  11 Replies 
Yes, but if you could make it broadband enough, it might function effectively as a filter. IE, remove a broad notch from 300 to the mass rolloff of the horn. Just thinking aloud. What about a front compression chamber? That would seemingly be the ...

Read the Post in new Window Read the Post in Threaded view  Post #9: Re: Crossover or non-crossover help need. by Greg B on 2005-01-04 
Browse the content of the threads in new Window  Thread: Crossover or non-crossover help need. in Horn-Loaded Speakers  11 Replies 
Hey Romy, One rather simple acoustic solution would be to use a quarter wave stub. This is about the closest acoustic analog to an electrical notch filter. I believe JBL used  this trick in their 'Aquarius' speaker to remove a peak in the ...
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