raelman, I am not sure. The order of numbers is a little different from what you wanted. You would have to talk to Madisound.
Sorry buyt I got a replacement from Accuton (priced like new, by the way)
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This thread can be closed
Yes, they discount like 20% from retail price and you have to return your defective unit (I suppose they give you that 20% recoveriing the chassis)