THAT'S WHAT I PLAN TO DO. I will put batteries in it in case of power failure but will use it on AC most of the time. Also I heard it can get really loud if you use a mixer first then plug the mixer into to 330. I'm going to play around with it today and explore all possible connections.
MEL
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KORG PA1000, KORG PA900, 2 BOSE S1 PROS, 2 BOSE L1 COMPACTS, YAMAHA STAGEPAS 500, ROLAND VP7