Meyer sound class AB/H sch?

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No schematic's for Meyer Sound, if an amps fails you have to replace the complet module, a little contrary to John Meyer's hippy background, a UPA amp module will sets you back 1200€, despite the fact just one IC was causing the problem..
That amp is based on IRFP9140 and IFRP140.
 
UPA 1P main board
 

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