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Old 9th December 2012, 04:49 AM   #3021
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Quote:
Originally Posted by David McBean View Post
For space reasons the combined response chart no longer has the word "Combined" in the title either "Masked" or "Unmasked" is shown instead.
The attached worst-case examples show more clearly why it was necessary to omit "Combined" from the combined response chart title.

Kind regards,

David
Attached Images
File Type: png Combined.png (65.8 KB, 202 views)
Attached Files
File Type: pdf Printout.pdf (58.1 KB, 10 views)
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Old 9th December 2012, 02:52 PM   #3022
Mark Kravchenko --- www.kravchenko-audio.com
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Hornium unoptanium?

Yep bugs bunny latin!

Always improvements. Cannot say thank you enough.

Still like the performance and power out of your example horn setup David.

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Old 9th December 2012, 08:39 PM   #3023
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Ditto!
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Old 10th December 2012, 05:38 AM   #3024
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Originally Posted by mwmkravchenko View Post
Still like the performance and power out of your example horn setup David.
Thanks Mark. As you can imagine, finding a driver with a Pmax of 9999 W and Xmax of 99.9 mm took quite some doing :-).

Kind regards,

David
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Old 10th December 2012, 10:33 AM   #3025
Mark Kravchenko --- www.kravchenko-audio.com
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Never say never David.

I'm working with Dan on a driver design with exactly that much X-max in each direction. Difficult, but not impossible.

As for the power handling, well turn to your closest electric stove, and multiply it by two.
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Old 11th December 2012, 05:53 PM   #3026
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David,

Is there any chance of adding more complex 3 part inductance modeling to HR? Perhaps with a box to mark it as in effect or "off" which would use 1khz LE still.
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Old 12th December 2012, 03:19 AM   #3027
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Quote:
Originally Posted by Josh Ricci View Post
Is there any chance of adding more complex 3 part inductance modeling to HR?
Hi Josh,

Sorry, no chance - I like to keep things as simple as possible :-).

Kind regards,

David
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Old 12th December 2012, 10:58 AM   #3028
more10 is offline more10  Sweden
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David

Is there any chance of adding Helmholz chambers in between segments? This would be very useful when trying to supress resonances in transmission lines.

Is there any chance of adding ports in between segments? This would be very useful for simulation of some bass reflex enclosures. I would like to simulate swapping placement of port and driver in JBL 2226 ported something I built from srx boxes

And thanks for your fantastic software!

Last edited by more10; 12th December 2012 at 11:16 AM.
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Old 12th December 2012, 12:57 PM   #3029
Xoc1 is offline Xoc1  United Kingdom
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Default All I want for Christmas is....

Quote:
Originally Posted by David McBean View Post
Hi Khron,

Sorry, but I have no plans to add incoming signal filtering functionality to Hornresp.

My interest lies with the performance of the loudspeaker itself - not with how the signal is processed prior to reaching the loudspeaker :-).

Kind regards,

David
David
I am fully aware of your stance on adding a signal filter function to Hornresp and when I mentioned the lack of same on the other thread I did not make a request directly to you.
Differents results from differents simulation sofware
But since this is the place to discuss these things I will post my reasons here:-
Most systems do not have a flat signal to 10Hz, for most audio systems such an extended LF would result in driver damage.
For bass reflex designs and tapped horns, a hi-pass filter is a necessity above a fairly low power level, and must be concidered as an integral part of the design process.

There is also the QB5 reflex alignment that uses a port tuned for a resonant peak and a filter to reduce cone excursion and give a resultant extended flat reponse.
Satellites and Subwoofers

I do feel that it would be a great addition to your software and would result in some very creative designs.
Kind regards
Martin (Xoc1)
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Old 12th December 2012, 03:17 PM   #3030
epa is offline epa  Netherlands
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hi martin
i opted a simular question a few pages back.
Quote:
Quote:
Originally Posted by epa Click the image to open in full size.
hi david
is there any sofware that you (or anybody else)now of ,that can import hr data ,to model a filter/eq .
this would be helpfull to determen a hpf.
tnx erik
Hi epa,

Thats easy to do: You only need to convert the HR textfile to a format that any of these program can recognize:

FRD Consortium

PS: I usually first import the .wav files from HR to HOLMimpulse where I edit the IR/FR and then export to e.g. MPRM program where you can do all filtering/ Eq. and the back to Holmimpulse to present the resulting graphs you want to display.

bClick the image to open in full size.
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