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Multi-Way Conventional loudspeakers with crossovers

Mid-dome directivity mismatch? (Vituixcad simulation)
Mid-dome directivity mismatch? (Vituixcad simulation)
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Old 24th March 2020, 07:21 AM   #21
Boden is online now Boden  Netherlands
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Join Date: Mar 2010
@ Juhazi: OK now I understand, you meant off axis. In my book driver offset ususally refers to the Z axis of the drivers. Thanx.
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Old 25th March 2020, 01:09 AM   #22
DonVK is offline DonVK  Canada
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Location: Ottawa
@Arnandsway : The H-polars should be very wide given the driver size and XO points.

I have not used VituixCad but I can offer some things to try to isolate the cause. Have you tried driving the woofer then midrange each individually to see if you get the polar responses you expect. It should be 120-180deg (at mid driver height) given the driver size and XO points. I can't tell from the graphs because I don't know the conditions (heights, distance, etc).

Have you tried the FRD / ZMA data that Dayton supplies. They are usually pretty good with their data. The data from @HiFiCompass is also an excellent source, but it seems you needed additional step(s) to extract data from the curves.

The other place to ask is in VituixCAD where the S/W author (@Kimmosto) answers tool specific questions.
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