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Old 19th September 2010, 04:18 PM   #1
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Smile PD186 tapped horn?

Hi there,

Anyone tried modelling a Tapped Horn for a PD186?

If so, details please!!

Thanks,

Andy
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Old 19th September 2010, 06:28 PM   #2
bjorno is offline bjorno  Sweden
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FYI

b
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File Type: jpg PD.186_TH.JPG (348.4 KB, 227 views)
File Type: jpg PD.186_T-TQWT.JPG (350.9 KB, 216 views)
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Old 19th September 2010, 07:57 PM   #3
Xoc1 is offline Xoc1  United Kingdom
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Hi Andy
Did you have any particular application in mind?
Are you looking for bass extension for a home sub or efficiency for PA use.
I think that the 18" PD drivers are quite suitable for PA usage in a tapped horn, and used with a decent hi-pass filter should be able to take conciderable amounts of power before running out of x-max.
I haven't built any of the speakers that I have modelled up yet, but have a mate who has 8 off PD1850 drivers so its something that I am working on.
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Old 19th September 2010, 09:21 PM   #4
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Thanks for that Bjorno - looks promising!
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Old 19th September 2010, 09:26 PM   #5
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Hi Xoc1,

Looking to use for PA applications from 35 up to about 90 Hz to get as much thump as I can out of 4 drivers so if OK will make four of 'em and hopefully make some eyes move :-)

Cheers,

Andy
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Old 19th September 2010, 09:45 PM   #6
bjorno is offline bjorno  Sweden
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Quote:
Originally Posted by Andywardle View Post
Thanks for that Bjorno - looks promising!
Hi Andy,

Wasn't sure, At first I simulated for home use, not for PA in particularly.
Here is an PA attempt:

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Old 20th September 2010, 07:59 PM   #7
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Looks even better in terms of SPL, Frequency range and Impulse response....

Next step: get some box dimensions worked out, build a prototype.. Will let you know how it turns out!

A
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Old 21st September 2010, 08:41 PM   #8
Xoc1 is offline Xoc1  United Kingdom
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Hi Andy
Bjorno,s sim looks very good, but are you OK with the size of these speakers.
They will be the same sort of size as J Bells large tapped horns. Look at post 38 here:-
jbell's set of four tapped horns
IE: OK for an install, but not really what most people would concider portable!
In fact if you substitute the PD186 parameters into Dons sim for the J Bell cab it works well. Probably would need a minor tweek to lengthen the baffle to suit the 18" driver.
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