New version of the Quad 33 upgrade-revision manual

05-Sep-2010

A new version of the Quad 33 Upgrade-revision manual with better illustrations is available in the D..

New Blog articles

03-Sep-2010

One about monoblocking two 520f's and a post about measuring distortion with software..

14-Aug-2010

There has been a software-problem with the checkout procedure in our Webshop the last week. After pl..

08-Aug-2010

There is a new illustrated article on the Blog (http://quadrevisionspot.blogspot.com/) about improvi..

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