Active crossover question

woody · 13th September 2010, 01:23 AM

I need a 12db/oct Linkwitz-Riley high pass crossover set at 400hz. I would
like to use an input cap before my amp as the first 6db/oct pole and an output cap on the amp for the second 6db/oct pole. But do I set them both for 400hz ? If not what frequency do I set them for?

abraxalito · 13th September 2010, 01:50 AM

Yep, both set to 400Hz gives the required response. Linkwitz himself though doesn't recommend the LR2 - see Active Filters

woody · 13th September 2010, 02:00 AM

Thanks for the info. I was thinking of using this with the Martin King open baffel and
I think he designed it with the L-R corssover I am not positive about that though.

13th September 2010, 01:23 AM	#1
woody diyAudio Member Join Date: Jan 2002 Location: Tyrone Ga. U.S.A.	Active crossover question I need a 12db/oct Linkwitz-Riley high pass crossover set at 400hz. I would like to use an input cap before my amp as the first 6db/oct pole and an output cap on the amp for the second 6db/oct pole. But do I set them both for 400hz ? If not what frequency do I set them for?

13th September 2010, 01:50 AM	#2
abraxalito diyAudio Member Join Date: Sep 2007 Location: Hangzhou - Marco Polo's 'most beautiful city'. 700yrs is a long time though... Blog Entries: 46	Yep, both set to 400Hz gives the required response. Linkwitz himself though doesn't recommend the LR2 - see Active Filters __________________ I think ideas are what you want to get rid of. I don't really like songs with ideas. - Leonard Cohen

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13th September 2010, 02:00 AM	#3
woody diyAudio Member Join Date: Jan 2002 Location: Tyrone Ga. U.S.A.	Thanks for the info. I was thinking of using this with the Martin King open baffel and I think he designed it with the L-R corssover I am not positive about that though.

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