In this stack, The GK MB800 is my favorite. Clean, accurate tone. If you like a more tubey, vintagey kind of sound, then the TH500 or, if you require more "apparent" power, the RH750. The Shuttle 9.0 is my second favorite, though.
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The GK MB Fusion 500 is an amazing little beast with an all tube pre amp and 2 channels. I just bought it about a month or so ago, and I like it just as much as my Walkabout. It's definitely worth checking out.


