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Old 11th June 2021, 08:04 AM   #31
KaffiMann is offline KaffiMann  Norway
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Vented vs TL...
David, for those of us that are mentally challenged enough to not understand all that fancy wizardry you've put into the more recent revisions, but instead just want to hammer some digits directly into the designated fields.

I am having some difficulties just adding the port information like you did, it just becomes an open hole?
Obviously I'm doing something wrong, but I am unable to understand exactly what that would be.
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Old 11th June 2021, 08:40 AM   #32
KaffiMann is offline KaffiMann  Norway
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Anyone got any tips? I tried it in a number of different "driver entry point" settings etc.

Could well be that I need to revise my workflow, I just really like to tab around and use the numpad. No need to move the hand to the mouse and back constantly, fiddling with sliders that are a pain to get "just so". Numpad FTW!
Hotkeys and alt+tab to switch to calculators or spec sheets, everything relevant, crucial settings and parameters on hornresp out in the open on that input window, it's great!

Sidenote:
I'm not *that* old (39 soon), but so many new programs with fancy GUI have those wizard things that make me fumble about needlessly (IMO) and click "next" more times than putting in relevant information (not talking about hornresp here, just in general).
Is it just me?
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Old 11th June 2021, 11:58 AM   #33
David McBean is offline David McBean  Australia
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Originally Posted by KaffiMann View Post
I am having some difficulties just adding the port information like you did, it just becomes an open hole?
Specify the loudspeaker configuration as OD not Nd, and also specify a closed mouth.
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Last edited by David McBean; 11th June 2021 at 12:03 PM.
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Old 11th June 2021, 12:08 PM   #34
grindstone is offline grindstone  United States
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Originally Posted by David McBean View Post
Hornresp actually uses the following formula for the internal unflanged end correction length, which gives effectively the same result as the one above.

EC = 0.1952 * Pi * Rp

Where EC is the end correction length and Rp is the port tube radius.

In the previous example, Ap = 320.00 sq cm

EC = 0.1952 * Pi * Sqrt(320 / Pi) = 6.19 cm (to two decimal places)

Thanks for correcting. Thought I was safe taking what the HR akabak export file comment said it was (knew better than to not qualify that when I posted, too, but always the slow-learner with me...)

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Is it just me?
Outstanding geezer-rant for a young person. Warms my heart to know it's not just us chafing.
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Old 11th June 2021, 12:29 PM   #35
KaffiMann is offline KaffiMann  Norway
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Quote:
Originally Posted by David McBean View Post
Specify the loudspeaker configuration as OD not Nd, and also specify a closed mouth.
Not near a computer right this minute, but I like to run the same sim as ND and OD to check for discrepancies. It's just numbers and default is front firing port which is my personal preference anyway so... Low frequency should be correct at least, will just add this as a single step further at the end. Thanks!


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Outstanding geezer-rant for a young person.
Thanks! Warms my heart to be one virtual step further away from those blighted millennials.
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Old 12th June 2021, 05:57 AM   #36
David McBean is offline David McBean  Australia
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Originally Posted by grindstone View Post
Thought I was safe taking what the HR akabak export file comment said it was
Many thanks for bringing this to my attention. At some stage I must have tweaked the formula used to calculate the unflanged inlet end correction, but overlooked amending the AkAbak script description to suit. This oversight will be rectified in the next update.
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