Russ' Phase Linear 700B Going Fully Comp!!!!!!!

I'm almost hesitant to put this on my now correctly phased K's. Man this is gonna be spooky!!
 
Correct that, my damn losad switch was intermittent, 471, 472....max out, both loaded and driven...
 
Yep it's F*&^%$ with me once to ofteh, also had a bad test cable, tetally no carry through. Was a solid wire coax that couln't take it I guess. I have since found some excellent mic cable I'm gonna have to make some out of....



The 700 does bass transients MUCH better, but for anything Mach 4 and below, it's a tossup now....
 
laatsch55 said:
Yep it's F*&^%$ with me once to ofteh, also had a bad test cable, tetally no carry through. Was a solid wire coax that couln't take it I guess. I have since found some excellent mic cable I'm gonna have to make some out of....



The 700 does bass transients MUCH better, but for anything Mach 4 and below, it's a tossup now....
Click to expand...

Tossup with what? The 400?
 
Yes Joe. Beern listening to the 400 all morning and afternoon.. Just put the 700 on awhile ago, and you can sense the headroom in the 700. As far as the sound goes the 700 appears to be a little boomier in the bass department with the 400 slightly tighter, that's about it....both ae crystal clear....
 
laatsch55 said:
Yes Joe. Beern listening to the 400 all morning and afternoon.. Just put the 700 on awhile ago, and you can sense the headroom in the 700. As far as the sound goes the 700 appears to be a little boomier in the bass department with the 400 slightly tighter, that's about it....both ae crystal clear....
Click to expand...

My 700 is up and warming up for final bias setting now. It was an uneventful bring up so far (I like them that way). Overall, I am very pleased with how this kit turned out but it is a lot of work (or maybe it was the side projects in between starting and finishing that made it seem longer :-))

It was about half the work of redoing the entire back wall wiring that I had done on that earlier 700.

You made the final change recommendations correct (R35 and the PAD3 connection point)??
 
Yes I did Joe, and did not lose Q7 when the rail fuse went.
 
laatsch55 said:
Yes I did Joe, and did not lose Q7 when the rail fuse went.
Click to expand...

Glad that worked for you Lee.

Given this change, I will likely be lowering the Pico fuses to 1/2 A going forward since that load now does not go through the Pico anymore.
 
Gepetto said:
My 700 is up and warming up for final bias setting now. It was an uneventful bring up so far (I like them that way). Overall, I am very pleased with how this kit turned out but it is a lot of work (or maybe it was the side projects in between starting and finishing that made it seem longer :-))

It was about half the work of redoing the entire back wall wiring that I had done on that earlier 700.

You made the final change recommendations correct (R35 and the PAD3 connection point)??
Click to expand...

Makes very pretty sine waves into my 8 ohm load bank...
 
Took a rail fuse out one more time before I changed out the BR butr after the R35, and Pad 3 change.
 
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