I agree with gonk; if I had a 750 I doubt I'd buy a 755. The difference between them is really incremental; We're talking an $1100 dollar amp here versus a $1300 dollar amp. I don't think many people will spend $1300 for that upgrade. Perhaps you might find someone that's upgraded to a 770. I could see someone doing that, especially if going from a 5 to 7 channel setup and space in the rack was a real issue.

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Matthew J. Hill
matt@idsi.net