1970's Color CRT substitution

[Electronic M]

Originally Posted by TUD1

I've often wondered if it was possible to replace an inline gun tube with a delta gun tube.

Nearly all inline gun sets lack the provisions (transformer windings) for driving dynamic convergence....You'd have to redesign the set around the CRT or live with lots of RGB splay at the edges of the screen.
HV and gun wise it is not impossible... I have a delta gun CRT test jig that was kept in use into the inline era and had adapter designs and settings for inline sets.