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Old 1st September 2019, 12:49 PM   #161
mabat is offline mabat  Czech Republic
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That will be a big beast. For what driver?
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Old 2nd September 2019, 02:29 AM   #162
ilardi is offline ilardi  United States
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Default ath-4.3.4 No such file or directory

This looks like a wonderful program, but I am having a bit of trouble installing it.



I have installed ath4, including the .dll files ,changed the small.cfg file to find the right directory, etc. Whenever I run it, however, I get an error message of:
ath-4.3.4
No such file or directory


(notice the hyphen, not an underscore). I've even tried adding such a directory in a few places, but to no avail. Is this directory hard coded into the code? I have no idea what I am doing wrong. Any help would be appreciated.
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Old 2nd September 2019, 06:36 AM   #163
Patrick Bateman is offline Patrick Bateman  United States
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Quote:
Originally Posted by ilardi View Post
This looks like a wonderful program, but I am having a bit of trouble installing it.



I have installed ath4, including the .dll files ,changed the small.cfg file to find the right directory, etc. Whenever I run it, however, I get an error message of:
ath-4.3.4
No such file or directory


(notice the hyphen, not an underscore). I've even tried adding such a directory in a few places, but to no avail. Is this directory hard coded into the code? I have no idea what I am doing wrong. Any help would be appreciated.
Run it on the command line. "cmd.exe"
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Old 2nd September 2019, 06:41 AM   #164
danibosn is offline danibosn  Croatia
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not yet sure, some 1.4"or even BMS coaxial
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Old 2nd September 2019, 10:45 AM   #165
mabat is offline mabat  Czech Republic
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ilardi

Ahh, that may be tough to find out. Please try this temporary release, it should manage the output directory better: http://at-horns.eu/release/ath4_4.3.5.zip
(No new functionality there yet - still in progress.)
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Old 6th September 2019, 02:02 AM   #166
ilardi is offline ilardi  United States
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Thanks. That worked. My CAD program weapon of choice is Freecad which was able to open the STL file without trouble although FreeCad doesn’t seem to support the .msh format.
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Old 8th September 2019, 07:38 AM   #167
superlian is offline superlian  Norway
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Is it possible to make a horn/waveguide like a splitted donut to get a cutoff around 5000 Hz on a 1 inch driver?

Or does it need a kind of rollback?
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Old 9th September 2019, 05:56 AM   #168
mabat is offline mabat  Czech Republic
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Could you make a sketch? I'm not sure I follow, I see "rollback" as inherent to a "splitted donut".
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Old 9th September 2019, 06:36 AM   #169
superlian is offline superlian  Norway
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I was thinking either a splitted donut or a ordinary horn (with rollback) but the latter is much more complicated to make

So the Q is. Will a splitted «donut» with a 1 inch opening glued to the 1 inch compression driver work as a horn/waveguide?
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Old 9th September 2019, 07:25 AM   #170
mabat is offline mabat  Czech Republic
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It will. Something like this, i.e. unbaffled?

Included are the project files for IB simluation (without a rollback), as well as the free-air shape in STL+MSH. Simulation for the free-air scenario (i.e. with the rollback) is not yet available, sorry.
Attached Images
File Type: png donut-1.png (60.9 KB, 271 views)
File Type: png donut-2.png (39.7 KB, 283 views)
Attached Files
File Type: zip donut.zip (126.1 KB, 3 views)
File Type: txt donut_cfg.txt (1.8 KB, 7 views)
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