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Old 19th August 2010, 04:36 PM   #1381
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Pardon my ignorance but how do I get to the Tapped horn wizard in the new version? I was using 1.18 I think last. I saw it somewhere in this thread.
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Old 19th August 2010, 06:53 PM   #1382
mige0 is offline mige0  Austria
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Wow, this "sample read out" is a really nice feature.

Any chance we get peak values additionally - or how is rms meant here?

You also calculate 2nd harmonics. What accounts that for ?
When doing combined response - no harmonics get calculated ?

Michael

Last edited by mige0; 19th August 2010 at 07:08 PM.
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Old 19th August 2010, 08:07 PM   #1383
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Quote:
Originally Posted by screamersusa View Post
Pardon my ignorance but how do I get to the Tapped horn wizard in the new version? I was using 1.18 I think last. I saw it somewhere in this thread.
Tools > Loudspeaker Wizard.
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Old 19th August 2010, 08:34 PM   #1384
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Did you change the IR calculation lately?
I just noticed that the amplitude is a lot closer to what HR simulated than before.
The error with bass boost I reported earlier seems to be gone.

Might have happened at the same time as spectrogram.

Anyway, thanks!
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Old 19th August 2010, 10:36 PM   #1385
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Quote:
Originally Posted by BP1Fanatic View Post
Tools > Loudspeaker Wizard.
It will be greyed out or not present unless you have the current record in Edit mode - go to the Input Parameters window, click Edit, then go Tools -> Loudspeaker Wizard.
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Old 20th August 2010, 03:37 PM   #1386
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Correct!
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Old 20th August 2010, 04:50 PM   #1387
soho54 is offline soho54  United States
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Default Parbolic Questions

Mr. McBean v28 has been out for a little while now, and I have some questions about when it is best to use the Par calculations instead of the conical.

As there was no new width or starting height input I have been assuming that the Par just calculates a set profile Parabolic dimensioned segment. As the Parabolic oval is a better match for a rectangle it should work out pretty good.

With this in mind is it better to switch over to the Con sections if the horn is running closer to a square at that point of the horn? Or am I totally off on how it works here?

Also do you know if Bjørn has posted/published these calculations anywhere yet, and I have missed it?
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Old 20th August 2010, 06:15 PM   #1388
epa is offline epa  Netherlands
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it would be nice if you can implement x-overs and/or eq in hr.
so if you model f.i. a th ,you can see where hpf cutt of is best for safe opperation,excursion wise,and what you can eq safe.

sorry for my bad english.
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Old 21st August 2010, 05:49 AM   #1389
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Hi Michael,

Quote:
Originally Posted by mige0 View Post
Any chance we get peak values additionally - or how is rms meant here?
The Sample tool displays the diaphragm displacement as a peak value - it is only the diaphragm velocity and acceleration that are given as rms values. If rms displacement is required, divide the peak value by the square root of 2. Note that all chart results can be exported and manipulated in a spreadsheet if so desired.

Quote:
Originally Posted by mige0 View Post
You also calculate 2nd harmonics. What accounts that for?
When doing combined response - no harmonics get calculated?
The Sample tool calculates the second-harmonic distortion of a single-segment horn only. Essentially, the higher the sound intensity at the horn throat, the higher the distortion.

Kind regards,

David
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Old 21st August 2010, 06:07 AM   #1390
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Hi David_Web,

Quote:
Originally Posted by David_Web View Post
Did you change the IR calculation lately?
The impulse response calculations were refined by Jean-Michel during the time he was developing the Hornresp spectrogram algorithms.

Quote:
Originally Posted by David_Web View Post
I just noticed that the amplitude is a lot closer to what HR simulated than before. The error with bass boost I reported earlier seems to be gone.
Many thanks for this feedback. It would seem from what you say that Jean-Michel's IR changes may have been a step in the right direction :-).

Kind regards,

David
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