agedhorse said:The output limit LED just indicates that you are entering the output tube emulation limiter. It's like the GR LEDs on a compressor except that there is 1 LED and the circuit does many things like compression, limiting, harmonic generation, etc.
Go ahead and hit the limiter, nothing wrong with doing so and that gets you into the more power-tubish kind of overdrive sound (and especially feel). The only thing I would caution agains is where the LED is on more than it's off. If that's the case, you need more rig for the gig.
Thanks dude. It's less than that so far and I am on the louder side of what I need. I didn't really expect a lot more volume going from 350 to 500 watts. It seems to be comparable. I do shut the limiter off in the mb500. Just sounds better. As long as I an not damaging anything on the shuttle with occasional limiting I an fine.