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17th January 2010, 05:15 PM  #891 
diyAudio Member
Join Date: Jan 2010

Actually, I just solved this.
I forgot to set Combined Response in the Tools menu! 
20th January 2010, 07:04 AM  #892 
diyAudio Member
Join Date: Nov 2006

Hi David, would it be possible to include an efficiency window that shows a graph of system efficiency to compare two systems?

20th January 2010, 07:07 AM  #893 
diyAudio Member

The SPL graph already shows system efficiency. You set how many volts you're putting into it and it shows you how many dbs it's putting out. That's what efficiency is!
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20th January 2010, 07:08 AM  #894 
diyAudio Member

Oh btw vs 25 is a corrupt file every time I try to download it.
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20th January 2010, 08:47 AM  #895  
diyAudio Member
Join Date: Jun 2007

Quote:
I thought about it some time ago, but ultimately decided not to include an efficiency chart in Hornresp. The SPL Response can always be sampled at a number of frequencies and the system efficiency plotted manually, if you wish. System efficiency is given in the sample results. Kind regards, David
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20th January 2010, 08:59 AM  #896 
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Join Date: Jun 2007

Hi brsanko,
Are you by any chance trying to download Hornresp over a dialup connection? Kind regards, David
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20th January 2010, 11:31 AM  #897  
diyAudio Member
Join Date: Aug 2007

Quote:
Note that several definitions of efficiency exist. True efficiency is the ratio of power output to actual power input. Nominal efficiency is the ratio of power output to the power dissipated in a resistor with a value 2xRe (for horn speakers). Hornresp gives you true efficiency. Bjørn 

20th January 2010, 02:09 PM  #898 
diyAudio Member
Join Date: Jan 2005
Location: Amsterdam

Recently I have started using Ubuntu 9.10 on my computer. Not entirely out of free choice and I know little about computers anyway.
I just figured out I could use Wine to run Hornresp and have installed both Wine and the latest version of Hornresp. It starts up fine and runs a simulation, but entering driver and horn parameters goes wrong. It adds zeroes, apparently. I enter a value and when I leave the box, it adds a number of zeroes. It goes from 250 to 250000. The parameter calculation tools suffer from this as well, as maximum values are exceeded. Since the number keeps a relation to the originally entered number, it seems to be something related to setting of decimals or something. Is anyone familiar with this problem? Is there a solution?
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20th January 2010, 03:31 PM  #899 
diyAudio Member
Join Date: Nov 2006

I just thought it was be easier to compare them with a graph or from the export text file.

20th January 2010, 05:36 PM  #900 
diyAudio Member
Join Date: Nov 2006

One more thing David. I'm not sure what I should input in the Maximum SPL window. My horn has 6 drivers with each driver being 400w rms, 800w program, 13mm xmax, 22mm xlim. Do I use 13 (or 22) x 6?

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