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Multi-Way Conventional loudspeakers with crossovers

Milestones speakers (kind of Avalon clone)
Milestones speakers (kind of Avalon clone)
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Old 13th September 2005, 08:46 AM   #1
marche is offline marche  Netherlands
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Default Milestones speakers (kind of Avalon clone)

I've translated the pdf files about the Milestones speakers as described in a previous thread to html:

http://www.hifivoice.com/

Any suggestions for filtering are welcome!!! I'm struggling a bit with the harshness of the midtoner. The latest filter is attached.

Marc


Previous thread:
http://www.diyaudio.com/forums/showt...555&highlight=
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File Type: jpg filter04av5.jpg (19.2 KB, 759 views)
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Old 13th September 2005, 08:47 AM   #2
marche is offline marche  Netherlands
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The simulated curves in Speaker Workshop.
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File Type: jpg filter04av5response.jpg (20.7 KB, 712 views)
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Old 13th September 2005, 08:49 AM   #3
marche is offline marche  Netherlands
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The measured curves with FuzzMeasure.
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File Type: jpg filter04av5measure.jpg (26.8 KB, 708 views)
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Old 13th September 2005, 10:48 AM   #4
David Gatti is offline David Gatti  Australia
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What a brilliant website & speaker design you've got Marche!
Love your work!
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Old 13th September 2005, 11:02 AM   #5
ShinOBIWAN is offline ShinOBIWAN  United Kingdom
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Marc those are some fantastic looking speakers.

Your web construction diary is the best and most detailed I've seen.

Thanks for sharing.
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Old 13th September 2005, 11:07 AM   #6
bombardon73 is offline bombardon73  Netherlands
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Your filter is a parallel/series hybrid, did you check Tony Gee's website of the "Soup" ?

Your freq response (measured), is it done with MLS? Like in HobbyBox?

I use HobbyBox with it's MLS function to blend out the room reflections. That way I measure from 375hz and up without taking the reflections into the measurement. It's then much easier to tweak the filter network and see what "creates"the harshness in your speaker design.

Btw. I live in Venlo so you live nearby (geldrop)
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Old 13th September 2005, 12:15 PM   #7
Tazzy is offline Tazzy
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I think marc is inspired by the xXx (avalon clone) a guy on htforum.nl build over the last couple of years
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Old 13th September 2005, 06:59 PM   #8
marche is offline marche  Netherlands
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I indeed do have contact with Tony (Soup) and Erik (XxX).

I've tried Tony's filter extensively:
http://homepage.mac.com/marc.heijlig...61/page61.html

Erik's XxX design is very different from mine:
http://home.wanadoo.nl/e.van.voorst/ProjectSpeakers.htm

The filters I develop are also applied (in modified form) in Ruud's Violators, which are more close to Erik's XxX:
http://www.htforum.nl/yabbse/index.p...7694#msg367694

I'm inspired by the Avalon Opus Ceramique designs (but respect their intellectual property, so I'm not trying to replicate them literally), and by Gydotron's designs:
http://www.gydotron.com/Gydolon/gydolon.htm

Marc
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Old 13th September 2005, 10:47 PM   #9
knorke is offline knorke  Germany
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Indeed some nice looking speakers ...
For the midrange harshness I would try to reduce the output between 1-2kHz....
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