I've got both the STL600 & Shuttle 6.0 & the Shuttle is a lot different to the STL. BUT is a fantastic amp. I haven't tried the MBF500, but love the Shuttles semi para mid eq. Very handy for those hard to eq rooms.
I got a great sound out of the STL/AE410 combo last weekend tho-with a P bass too.
I got a great sound out of the STL/AE410 combo last weekend tho-with a P bass too.

