Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html
We appreciate your help
in keeping this site going.
It looks like itst just out of focus. CRT string & so is pix.
See if it looks better with the brightness lower.
Check regulator, focus & HV rectifier tubes.
Threaded Mode