If you want bass into the 20s or even the 30s, you will need a sub with either one. That 12" is nice, but even in a big cabinet it won't go all that low. It just goes lower that any full range 8" will do, but that means maybe 38-40Hz at best.
Rsf507, You should contact gon members glide3 and Silbelius. They`re both owners of the Tonian Classic 12.1 and could provide first hand information regarding the bass performance.
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