level 3 10 airspace ??

[tigerh4rf]

Guys is 1 cube good for ported box? tried 1.5 and no output out of it port will b 5.25x5.25 external chimney stack 20 inch high to start with and b cut down for testing till it stops gaining what say ye spl gurus?? Yes it will be tuned high

[CJ18]

1ft3 after subs and port displacements per sub.