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Slightly tapered slot port?

789 Views 4 Replies 3 Participants Last post by Anthony_Gomez, Feb 21, 2014

Anthony_Gomez

Discussion Starter · Feb 21, 2014

I'm sure this can be modeled but I don't know how or it if is a ridiculous idea. Thought I'd ask and someone might be able to educate me :-D

I look at things like the marty cube which is ~ 5cu ft tunned to 20hz with a 2" wide slot port. Narrower tunes lower, but higher velocity. What happens if the throat started out at 1.5" and linearly tapered to 2"? Same thought with the full marty. I'm happy to model this myself if someone can show me where to get the freeware to do such :-D

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Bombelman

· #2 · Feb 21, 2014

Quote:
Originally Posted by Anthony_Gomez /t/1519118/slightly-tapered-slot-port#post_24390268

I'm happy to model this myself if someone can show me where to get the freeware to do such :-D

Sketchup ? I use the free version...

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Anthony_Gomez

Discussion Starter · #3 · Feb 21, 2014

Quote:
Originally Posted by Bombelman /t/1519118/slightly-tapered-slot-port#post_24390286

Sketchup ? I use the free version...

Acoustic modeling

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Bill Fitzmaurice

· #4 · Feb 21, 2014

HornResp will do tapered ports. You don't model it as a VB, you model it as a rear loaded horn.

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Anthony_Gomez

Discussion Starter · #5 · Feb 21, 2014

Quote:
Originally Posted by Bill Fitzmaurice /t/1519118/slightly-tapered-slot-port#post_24390583

HornResp will do tapered ports. You don't model it as a VB, you model it as a rear loaded horn.

Thanks. I'll play around with this and see if I can get into trouble :-D

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