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Multi-Way Conventional loudspeakers with crossovers

Active filter for bass dipole
Active filter for bass dipole
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Old 7th December 2006, 09:22 AM   #1
felixx is offline felixx  Romania
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Default Active filter for bass dipole

After I read on Linkwitz pages I decided to make an active filter for my dipoles bass drivers.The design will be the same with Quasar,only back will be more open air.


Filter is for them because for main driver I will go without filter.
I want to keep the same structure of filter but my concern is about 290NF - Notch filter with 2.5 H inductor to equalize 1/4 wavelength peak of 1/2 cabinet length transmission line.
I know that option is for Orion bass dipole design and I wonder if in my case that will be suitable.
What do you think?
Thx. Jussi.
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Old 7th December 2006, 12:05 PM   #2
Rudolf is offline Rudolf  Germany
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I have not looked into that Linkwitz filter architecture, but for a Quasar style OB you definitely donīt need any notch filter and no equalizing of any 1/4 wavelength peak.

I believe that this filter from the Phoenix woofer http://www.linkwitzlab.com/proto.htm#PW1 would be good enough:

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