A good website to learn about DBR (DCAAV) bass reflex box? - diyAudio
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Old 7th July 2005, 05:52 AM   #1
simon5 is offline simon5  Canada
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Default A good website to learn about DBR (DCAAV) bass reflex box?

Hi,

In a conversation about DCR, dual chamber bass reflex box, someone pointed this website:

http://paginas.terra.com.br/educacao...negro/english/

The author of this website shows for comparison the DBR (DCAAV) box. I would like to learn more about this box and the advantages over a standard ported box.

Thanks!
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Old 7th July 2005, 11:07 PM   #2
Ron E is offline Ron E  United States
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Default Re: A good website to learn about DBR (DCAAV) bass reflex box?

Quote:
Originally posted by simon5
DCAAV.... I would like to learn more about this box and the advantages over a standard ported box.
Do a search for DCAAV. You wil find a spanish page - that google will translate for you - that has an analysis with graphs. The second diaphragm null causes a zero (notch) in the response in the passband. It is quite possible that with an adequate damping strategy, this could be minimized, but you see they found little difference from a standard vented alignment in extension - at least for their one test case.
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Old 9th July 2005, 10:02 PM   #3
simon5 is offline simon5  Canada
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Thank you very much.
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