THIS IS AN ORIGINAL SAMS PHOTOFACT (REPAIR INFO) FOR MASCO MODEL MB-50N AMPLIFIERS.

CONTAINS SCHEMATIC(S), VOLTAGE & RESISTANCE READINGS, INTERNAL VIEW(S), PARTS LIST AND DESCRIPTIONS. 
PAGES: 4 PAGES OF DATA

THIS IS WHAT YOU WILL NEED IF YOU EVER NEED TO MAKE REPAIRS.  IT IS IN VERY GOOD CONDITION. 

IF YOU WOULD LIKE TRACKING AND/OR ADDITIONAL PROTECTION IN THE PACKAGING PLEASE SELECT MEDIA MAIL RATHER THAN FIRST CLASS.