IT IS MODEL 480 BASE AMP.......2 TUBER...BOARD#751118......IT HAS SOME PARTS MISSING, CANT TELL MUCH FROM DRAWING,BUT KNOW THE DIODES ARE MISSING,& LOOK,S LIKE SOMETHING ELSE WAS NEXT TO THE DIODE,S....ALL ARE AT THE END OF THE BIG CAPS,BUT IT DOES HAVE THE DISK CAP,S THERE,BUT SOMETHING ELSE MISSING............NEED PICS IF POSSIBLE,OR SOMETHING.MY EMAIL ..DONEMAD@NETZERO.COM..... THANKS FOR ANY HELP