Hi, Just signed up, just bought a BL5000, type 5303, Serie 2, serial number 66407 Beomaster 5000S Type 2007, serie 01, serial number 16757 also have a Beomaster 5000 type 2013, Serial number 74824, serie 01 I knew the Amp was defective when I bought it, am always up for a challenge! Turned out to have two shorted transistors in the right channel, looks