Colour code is a matched set.
The colours denote an absolute cathode current rank.
So all four tubes should be same colour dot, but any same coloured dot can replace any same coloured dot.
Colour code is a matched set.
The colours denote an absolute cathode current rank.
So all four tubes should be same colour dot, but any same coloured dot can replace any same coloured dot.
If you’re still having problems, why not contact the iFi Support Centre. We’re available Monday to Friday.