Jackson1960

I do not know how to post an actual picture but if I can look and find out how to I will add a couple of pics.

But when I took them out the drive transister holes in each row look to me like if the output transisters are facing up then the drive transister should be facing down. So I am confused at what is going on .

Phase linear 700 1st series question.
I have a 700 series 1 amp and looking at the power and drive transisters there are 4 rows and in first row. Closest to the fuses and speaker terminals the 5 output transisters and the bottom drive transister are facing the same way , the writing is up and facing about 1 o clock . In the next row the writing in facing down and pointing to 7 o clock . The 3 rd row is facing u

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