Hello, We are servicing and old Advent receiver that is full of bad MPSU52, MPSU02, 2N5458, 2N5087's etc. I can't find a supplier for these and would like to stick with the original numbers if I can. Does anyone have a clue as to who might supply these? Marty Mertz 19th Street Audio 532 North 19th Street Allentown, Pa. 18104 audio19@xxxxxxxx 610-434-8833 high quality repairs since 1968 ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html To CHANGE your email address, click here: http://www.techassist.net/forms/change.html ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/