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Discussion Starter · #1 ·
I am looking to extend the extension of my dual stacked 6'cu 19ov.02 sealed sonosubs.

I really don't want to disassemble them and add poly fill unless it is worth it so that leaves me with 2-3 questions:

1. Can pollyfill rest on the back of a woofer on a downward firing sono?
2. How much further will pollyfill extend the extension?
3. is it "worth it"?

Note: If it helps they get about 650w each if anyone knows how to run the numbers. I can also boost the low end up to 6db as low as 20hz
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