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Multi-Way Conventional loudspeakers with crossovers

1st time try- TQWT -Beta 10CX
1st time try- TQWT -Beta 10CX
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Old 9th May 2019, 01:11 AM   #11
GM is offline GM  United States
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Quote:
Originally Posted by 1hiep0 View Post
Thank GM I am lost at this would you explain?
Hmm, not sure how to make it simpler; I mean once the basic inputs are done the rest of the design, fine tuning, etc., is all done/saved in the Wizard.

GM
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Old 9th May 2019, 06:38 AM   #12
freddi is offline freddi  United States
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1st time try- TQWT -Beta 10CX
with hornresp - first do a calculation. Select Acoustical Power -then under "Tools" find "Output" and click on "Combined" - that opens up a utility where one enters the distance between cone center and ~vent center. THEN - go back to the Input screen to select the Loudspeaker Wizard to check effects .

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Old 9th May 2019, 05:12 PM   #13
GM is offline GM  United States
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??? Why bother when you can do it the LW while watching it in real time?

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Old 9th May 2019, 06:03 PM   #14
1hiep0 is offline 1hiep0  United States
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Originally Posted by freddi View Post
psd2013 should be very nice - I'd like to see he network some time but don't have that driver.
Click the image to open in full size.
Thank freddi, I certainly will post the X-over as progress.
That look better, would you mind posting the hornresp input screen?
The idea is to have the coax center at the ear height as possible.
I started out the sim using Brian's sheet as stated in the original post and import to hornresp….still learning!.
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Old 9th May 2019, 08:01 PM   #15
freddi is offline freddi  United States
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GM - its obvious I'm not adept at HR. How does one quickly manipulate the "Acoustic Path Between Outputs" feature within LW?

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1hiep0 - - here's the input I used - not sure of the path between the driver and vent centers


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Old 10th May 2019, 06:14 AM   #16
David McBean is offline David McBean  Australia
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Originally Posted by 1hiep0 View Post
What did I do wrong?
For one thing, the Cms value of 3.70E-01 m/N is not correct :-).

Cms = 0.37 mm/N = 3.70E-04 m/N
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Old 10th May 2019, 06:36 AM   #17
David McBean is offline David McBean  Australia
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Originally Posted by chris661 View Post
I thought the "Path Length" was the difference in distance between driver and port to the listener.
In Hornresp, the acoustic path length is the length of the shortest acoustic path between the two outputs (assumed to be point sources). In the design being considered it is the distance between the centre of the direct radiator and the centre of the horn mouth.

Path length = 92.2 + 2.6 + 37.9 = 132.7 cm
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Old 10th May 2019, 06:38 AM   #18
David McBean is offline David McBean  Australia
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Originally Posted by freddi View Post
How does one quickly manipulate the "Acoustic Path Between Outputs" feature within LW?
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Old 18th June 2019, 03:43 PM   #19
1hiep0 is offline 1hiep0  United States
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Originally Posted by GM View Post
...so go into the 'chamber' window and add [92.2+2.6+37.9]/2 = 66.35 cm in the 'path' field to sum the two at the LP.

GM
Which path length is it L12, L23..? I don't understand.
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Old 18th June 2019, 04:04 PM   #20
1hiep0 is offline 1hiep0  United States
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Default fixed

Quote:
Originally Posted by David McBean View Post
For one thing, the Cms value of 3.70E-01 m/N is not correct :-).

Cms = 0.37 mm/N = 3.70E-04 m/N
Fix, thank Dave
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