Line 6 HELIX Cali Texas amp: How Mesa Boogie Sets It
So, the "Texas Cali" is a model of a LoooneStarrr Mesa/Boogie amp. Ok, that's fine and dandy. But you don't really get to figure the thing out until you start to explore how Mesa recommends using the thing.
It's versatile and dynamic. Try it out. Check the amp settings.