I'd really like to see a schematic and maybe the build instructions for the London power scaling kits, esp. the SV2 and the VCK voltage clamp kit.
http://www.londonpower.com/all-kits/ps-kit-cathode-bias
http://www.londonpower.com/power-scalin ... -clamp-kit
This thread has a lot of close-up pictures, parts of the schematic and build instructions:
http://www.mylespaul.com/forums/showthread.php?t=302455
London power scaling - schematic ???
Better late than never. Strangely, the circuit will not work realibly as drawn, because Q1 has too much leakage current (several hundred microamps from the datasheet). R6 should be ten times smaller than advertised to make it work. Is KOC using trick resistors?