I was playing in the house band for a production of the musical Hair and the band was set up on stage, on a platform 6 feet in the air. My GK 800RB was sitting on top of my Ampeg 410HE cab behind me on said platform. The speaker cable got yanked from behind somehow and the head fell all the way to the stage floor. I took it to the repair shop the next day and the only damage was a couple of bent fan baffles on the back and a single broken solder joint. Needless to say, it went into an Anvil case from that day forward, but it was pretty impressive how resilient it was even without one.
Sounded great, super consistent. Can't say enough good things about it. Wish they still made them, honestly.