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|12th October 2002, 02:40 AM||#1|
Join Date: Sep 2002
Location: Porter Ranch, Ca., USA
Need subwoofer/lspCad gurus to review my sub alignment choice
I want to build a DIY sub using the Adire Tempest driver.
I have just run through the alignment permutations using the Adire version of LspCad to model the different alignments using my room dimensions to generate freq response / group delay / driver excursion graphs.
I have never used LspCad before, so while it looks like the analysis gives me a winning design, I don't have enough experience to be confident of the results.
Here is the link to my analysis and graphs.
My goal is:
- 80% Home Theater / 20% Music
Best compromise between:
- Maximum bass extention
- Group delay <20ms at 20Hz
- Flat freq response between 80Hz and 20Hz
It looks like the winner for my room is a Tempest driver in a vented enclosure using the Adire (Q=.577) alignment.
Do you guys agree???
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