Sony P V FET OS2 output stage

[711JAM]

I'm working on the DIY Sony P V FET OS2 P CH output stage. I,m missing the R8 resistor at 27K does this resistor have any special characteristics

 

[adason]

Put two resistors in series with middle connection in the air. Two 15k or similar. Its not critical, since p1 is there to adjust actual bias.

 

[711JAM]

could I go with one 30K or an actual 27K? I probably have one or two in the box.

 

[Nelson Pass]

Sure thing.

 

[711JAM]

thanks

 

[711JAM]

Still building the Sony P vet OS board. On the schematic R9 is marked as 100k, The resistor I have left measures 10K Ohms. Is R 10 a typo at 1K Ohms or was the wrong resistor included? also the R 1,2 resistors included are .84 Ohms the schematic shows 1.5 Ohms are they good to use?

 

[Zen Mod]

R9 is 100K

R10 can be anything between (say) 820R and 2K7

 

[Ylab]

Are you sure you are referring to the right schematic? That would explain your wrong resistor values. OS2 on the left, vfet p pt2 on the right. Are you using the 2sj28 or 2sj18? Link to the OS2 thread: https://www.diyaudio.com/community/threads/diy-sony-vfets-os2-official-thread.384256/

 

[711JAM]

Thanks I got it now. OS2!