My first question to current users of this setup is: How do you put up with lugging this behemoth around?! I couldn't believe how heavy just the head was! Anyway, it sounded all right. Nice low end: the lower notes on the E and A strings really rang out. However, the upper notes on the G and D strings didn't speak very well. I still like the faster response of my GK rig. The Ampeg's transient response just seems a little too slow for my tastes. It doesn't seem to lend itself well to more complicated/technical bass lines. I still like my '77 B-15, though!