Recent content by 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...

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...

Seems like the 700b might be the one to do first but I will probly keep all of them for now , I have the first series 700 torn apart and plan on getting new output transisters and new run capacitors this week , I have the dual 500 and both 700b amps working and am hoping to get the 400 and the...

Hello, New on this forum but love vintage audio gear and at 65 yrs old I still love the same music as I did when I was 15 and went to my first concert to see Bob Seger open for Queen. I recently acquired 9 different Phase Linear amps and pre amps with most needing cleaned and some repairs . I...