All of this is beyond my comprehension. (Bet you guys didn't think a bricklayer knew or could spell that word huh?) Is it spelled correctly Gary? He knows cause he's a writer.
I just use the Carvin for most of my NH gigs. I have used one peavey once and the sound seem to spread more. I may do that again some time, but will not even experiment with two extension speakers.
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I'm not prejudiced, I hate everybody!! Ha ha! My Sister-In-Law had this tee shirt. She was a riot!!!