Question, I have a phase linear 700 first series amp , I have 4 rca410 transistors for the bottom 4 rows, but I was wanting to know if I can use 10 of PL- 909 ( 466 stamped on top ) ( 7208 stamped on bottom ) blue stamp.. and also use 10 of
Phase linear xpl- 909 ( 466 stamped on top ) ( 732 stamped on bottom ) blue stamp. I think I read that this combo is only 1 of the 2 exceptions . Thanks for your help