Do tapped horn designs scale?

Wardsweb · 25th January 2010, 07:40 PM

I was looking at Volvotreter's 38Hz Tangband Tapped Horn using a 6" driver. Tangband also makes a 8" driver. Given I have no design software and I know the dimensions of the 6" horn cabinet, can I just scale the dimension up to fit the 8" driver? Correct me if I'm totally off here, but I was thinking the 8" would go lower and still not be a huge cabinet like a 12" or 15" would be. I could even fit two in my system if needed.

WithTarragon · 25th January 2010, 08:17 PM

On this sort of design, you don't want to guess and you don't want to assume.

No need to guess since HORNRESP is available, free and easy to use.
Don't assume drivers from the same manufacturer are going to have "similar" T/S parameters. You need to look them up and feed them into HORNRESP. There are plenty of HORNRESP examples to get you started

littlemike · 25th January 2010, 08:51 PM

Quote:

Originally Posted by WithTarragon

On this sort of design, you don't want to guess and you don't want to assume.

No need to guess since HORNRESP is available, free and easy to use.
Don't assume drivers from the same manufacturer are going to have "similar" T/S parameters. You need to look them up and feed them into HORNRESP. There are plenty of HORNRESP examples to get you started

This bears repeating.

The short answer is no.

Wardsweb · 25th January 2010, 08:51 PM

I did download the software but on initial glance it might as well be in braille. I looked through the help but it doesn't make sense to me. The speaker specs don't seem to plug in. It looks more like you tell it what horn you want and it tells you something else. Sorry for the total confusion but this thing just makes me feel stupid.

I built this from scratch:

But this seems to be beyond me:

Peter M. · 25th January 2010, 09:03 PM

You can go to the tapped horn section on William Cowan`s site. William Cowan's Homepage
Scroll all the way down and you find a TH script for AKABAK to copy.

Hope this helps.

Peter

Wardsweb · 25th January 2010, 09:29 PM

Quote:

Originally Posted by Peter M.

You can go to the tapped horn section on William Cowan`s site. William Cowan's Homepage
Scroll all the way down and you find a TH script for AKABAK to copy.

Hope this helps.

Peter

Thanks I'll take a look and do some reading. Looks like its time for some "schooling" to get up on the learning curve.

WithTarragon · 25th January 2010, 09:35 PM

Quote:

Originally Posted by Peter M.

You can go to the tapped horn section on William Cowan`s site. William Cowan's Homepage
Scroll all the way down and you find a TH script for AKABAK to copy.

Hope this helps.

Peter

If he is having problems understanding HORNRESP, then recommending using AKABAK does not make much sense. Perhaps I am missing your logic.

There are already HORNRESP setup ups for VOLVOTRETER's TH sub. Modifying one of these would seem to be easier. However, at some point he is going need to roll up his sleeves and get some degree of understanding about HORNRESP. I think it is worth the effort.

Rademakers · 10:02 PM

Guide to WinISD Pro and Hornresp - Speakerplans.com Forums - Page 1

Quote:

I built this from scratch: -/snip/- But this seems to be beyond me:

For me it's the other way around, no clue on how to build an amplifier (it's an amplifier right?

Regards Johan

Wardsweb · 25th January 2010, 10:00 PM

Quote:

Originally Posted by rademakers

guide to winisd pro and hornresp - speakerplans.com forums - page 1

regards johan

spot on !

littlemike · 25th January 2010, 10:15 PM

Another hornresp/tapped horn tutorial:

Simple Tapped Horn Tutorial using Hornresp - AVS Forum

Good luck. (and beautiful work!)

25th January 2010, 07:40 PM	#1
Wardsweb diyAudio Member Join Date: Feb 2003 Location: San Antonio, Texas	Do tapped horn designs scale? I was looking at Volvotreter's 38Hz Tangband Tapped Horn using a 6" driver. Tangband also makes a 8" driver. Given I have no design software and I know the dimensions of the 6" horn cabinet, can I just scale the dimension up to fit the 8" driver? Correct me if I'm totally off here, but I was thinking the 8" would go lower and still not be a huge cabinet like a 12" or 15" would be. I could even fit two in my system if needed.

25th January 2010, 09:03 PM	#5
Peter M. diyAudio Member Join Date: Jan 2005 Location: Østfold	You can go to the tapped horn section on William Cowan`s site. William Cowan's Homepage Scroll all the way down and you find a TH script for AKABAK to copy. Hope this helps. Peter __________________ Note to myself: Never again use fingers to check if there still is voltage left in a capacitor...

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25th January 2010, 08:17 PM	#2
WithTarragon diyAudio Member Join Date: Jun 2007	On this sort of design, you don't want to guess and you don't want to assume. No need to guess since HORNRESP is available, free and easy to use. Don't assume drivers from the same manufacturer are going to have "similar" T/S parameters. You need to look them up and feed them into HORNRESP. There are plenty of HORNRESP examples to get you started

25th January 2010, 08:51 PM	#4
Wardsweb diyAudio Member Join Date: Feb 2003 Location: San Antonio, Texas	I did download the software but on initial glance it might as well be in braille. I looked through the help but it doesn't make sense to me. The speaker specs don't seem to plug in. It looks more like you tell it what horn you want and it tells you something else. Sorry for the total confusion but this thing just makes me feel stupid. I built this from scratch: But this seems to be beyond me:

25th January 2010, 10:15 PM	#10
littlemike diyAudio Member Join Date: Jul 2008 Location: Pacific Northwest	Another hornresp/tapped horn tutorial: Simple Tapped Horn Tutorial using Hornresp - AVS Forum Good luck. (and beautiful work!)

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