Memphis M1

[cashflow101 0]

has anybody owned these subs? I just bought a 15" and put in a prefab ported box, gets loud but not low enough.. Is 35hz a good tune?

[KU40 173]

that prefab ported box is probably tuned to 40 hz or something like that, hence the no lows predicament. Build your own and tune it to 30-32.