> > Are the colors correct in that spot? Maybe a magnetic field from that speaker
> the colors are correct, CRT owns demag coil , and speakers are armoured, it is not
> magnetization stain, it is totally dark...
> I heard tell that it can be the yoke impedance (13,4 ohms)...
My first thought, which I belayed to see whether it might be outed, was why you weren't apparently hitting up the seller/manufacturer?
Consider it high comedy....sincere tragedy....whatever...don't take it personally.