If you have an original A40 MixAmp (purchased before November 19th, 2009 from the US store) and would like access to the manual and quickstart guide, see the links below to review or download either in PDF format:
Original A40 MixAmp Manuals & Quickstart Guides
If you have an A40 MixAmp (purchased before November 19th, 2009 from the US store) and would like access to the manual and quickstart guide, click below to review or download either in PDF format.
EN 
ES