ok i have a 4 pill palomar 450hd all transistors are gone my brother took them out and used for another amp originally had sd1446's now i have 4 new 2sc2879 can i use them and if so what needs to be changed or modified in amp to handle them i know its probably cheaper to buy new amp or new sd1446 i just want to put this back together and put to use just thought some of you might have the know how to change out the sd1446 to 2sc2879 thanks.........