PD186 tapped horn?

Andywardle · 19th September 2010, 04:18 PM

Hi there,

Anyone tried modelling a Tapped Horn for a PD186?

If so, details please!!

Thanks,

Andy

bjorno · 19th September 2010, 06:28 PM

FYI

b

Xoc1 · 19th September 2010, 07:57 PM

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.

Andywardle · 19th September 2010, 09:21 PM

Thanks for that Bjorno - looks promising!

Andywardle · 19th September 2010, 09:26 PM

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

bjorno · 19th September 2010, 09:45 PM

Quote:

Originally Posted by Andywardle

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:

b

Andywardle · 20th September 2010, 07:59 PM

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

Xoc1 · 21st September 2010, 08:41 PM

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.

19th September 2010, 04:18 PM	#1
Andywardle diyAudio Member Join Date: Mar 2007	PD186 tapped horn? Hi there, Anyone tried modelling a Tapped Horn for a PD186? If so, details please!! Thanks, Andy

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19th September 2010, 07:57 PM	#3
Xoc1 diyAudio Member Join Date: Nov 2008 Location: Devon UK	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.

19th September 2010, 09:21 PM	#4
Andywardle diyAudio Member Join Date: Mar 2007	Thanks for that Bjorno - looks promising!

19th September 2010, 09:26 PM	#5
Andywardle diyAudio Member Join Date: Mar 2007	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

20th September 2010, 07:59 PM	#7
Andywardle diyAudio Member Join Date: Mar 2007	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

21st September 2010, 08:41 PM	#8
Xoc1 diyAudio Member Join Date: Nov 2008 Location: Devon UK	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.