millionth polyfil ques.

[fogelmclovin 10+ year member]

I got a SS T-5 from pipo in the classified sec.

I'm gonna use it in a sealed box. The specs call for 20-50% semi-dense fill.

What is your interpretation of "20-50% semi-dense"?

I know the Lb to cu.ft. rule.

Thanks for your help.

The box building is in the capable hands of tacosys.

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[PV Audio 5,000+ posts]

Just stuff some in until it's packed, but you can compress it into ~2-3" deep against one of the walls. That's my rule of thumb. It ends up being filled up, but loose enough to not choke the sub.

 

[PV Audio 5,000+ posts]

And no, 1 lb of polyfill to a 1 cubic foot box is almost always too much. If you're worried, just line the walls with 2" fiberglass. Seems to work better anyway.