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Old 7th May 2010, 08:27 AM   #1111
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Hi Mark,

Quote:
Originally Posted by mwmkravchenko View Post
So if I have this figured out correctly you have been doing horn simulations for what 35 years? Maybe 40?
I started in 1970 :-). Through the results of my early simulations I actually became aware of the plane wavefront model Cir > 1 limitation some time before Don Keele published his findings in the 1973 "Optimum Horn Mouth Size" AES paper. Don mistakenly concluded that the limitation was due to the characteristics of the horn itself, rather than to the model he was using to simulate it. I had already concluded otherwise :-).

Quote:
Originally Posted by mwmkravchenko View Post
Explains the thoroughness of the program. And I have yet to see anyone do as tight code as you. All the functionality in still less than a MB. Nice.
Thanks. The code could be a lot tighter still, but then it would be more difficult for me to understand and maintain :-).

Quote:
Originally Posted by mwmkravchenko View Post
I think I posted a comment back then and I have unfortunately lost the screen shots but considering that the box was neither a horn or a normal vented or sealed box your method of calculating the resulting output and the impedance magnitude is most impressive.
Thanks again :-).

Kind regards,

David
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Old 7th May 2010, 08:33 AM   #1112
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Quote:
Originally Posted by soongsc View Post
They make pretty good bookmarkers.
That's true :-).
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Old 7th May 2010, 11:48 AM   #1113
AndrewT is offline AndrewT  Scotland
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David,
40 years of dedication to the cause is above the duty of anyone.
You deserve all the credits/adulation that come your way.
I publicly thank you again for the time and expertise you have given the community.
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Old 7th May 2010, 06:04 PM   #1114
AKN is offline AKN  Sweden
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Hi,

I couldn't agree more with Andrew T. Many thanks for your effort David!
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Old 8th May 2010, 12:31 AM   #1115
Mark Kravchenko --- www.kravchenko-audio.com
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40 years is a great part of the time I have been alive!

I have read papers by a great deal of gentlemen that have been called audio giants or pinacle figures. I have never had the priviledge of speaking to them or any form of ciommunication.

It is indeed a rare thing to be able to communicate with the giant whose shoulders we stand on. We all start from a point of knowing little to nothing. Then we add on this with experience. Those who have a great deal of experience like David are indeed showing us the way to get things accomplished not by shear trial and error but with wisdom and clear reasoning. So being able to ask questions and get answers from someone who has been at this for so long a time is indeed a great priviledge. To be able to say that he figured out something before Don Keele for instance is wonderfull. I have no doubt what so ever in the work Mr. McBean has furnished us. I thank you for being able to broaden my own understanding of horn design and function. And I am at this point as a designer because of being pointed in the right direction by Mr. McBean.

You have my profound thanks!

Mark
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Old 8th May 2010, 02:32 AM   #1116
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+4!
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Old 8th May 2010, 02:39 AM   #1117
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Thanks Andrew, Anders and Mark, your comments have "made my day" :-).

Kind regards,

David
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Old 8th May 2010, 02:55 AM   #1118
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Default Bug Fixed

Quote:
Originally Posted by David McBean View Post
I get the same error - I will let you know when the bug is fixed.
Hi David_Web,

The bug has now been fixed - the latest Hornresp release is Product Number 2640-100508. Thanks again for bringing the problem to my attention.

Kind regards,

David
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Old 8th May 2010, 09:23 AM   #1119
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Thanks. It works great.

The driver still sucked for normal sized BP regardless how easy hornresp was to use. The changed sliders really worked great when volume increased.

Can the "scroll speed" when scrolling by clicking on the side of the slider (instead of the arrow) be increased at the same time?
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Old 8th May 2010, 07:43 PM   #1120
vadi is offline vadi  Austria
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Thank you very much David!

I can't import the impulse response to Holmimpulse though. I always get an exception.
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