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-   -   150 HZ Tractrix contour (http://www.diyaudio.com/forums/full-range/64590-150-hz-tractrix-contour.html)

kartsmart 20th September 2005 02:42 AM

150 HZ Tractrix contour
 
I have been tosing around the idea of a Tractrix contour for a midbass like the one in this website http://www.volvotreter.de/pics_plans.htm
has anyone out there tried this set up ? would it be possible to have it cover the entire volical range say 150 to 3500 HZ. then cross over to a small saliad bowl horn? what would be a clean driver for the 140 hz horn? or is the EV EVM 12L driver the best to use ?
please give your in put thankx

PeteMcK 20th September 2005 03:03 AM

EVM12L
 
this is really a guitar speaker, gets very peaky above 1K
Fs is 55Hz, so is usable lower than 150Hz

kartsmart 21st September 2005 03:06 AM

Yes I seen that , thats why I was asking what would be a better drive to use.


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