Ed Engelken wrote:
No need to use the equalizing resistors. Modern diodes will "zener"
when reverse biased beyond their rated PIV. This will distribute the
inverse voltage across all the diodes. Just be sure to use enough
diodes in the string.

Yes, and equalizing resistors can actually be a very bad thing, as they
drift with age, heating and high voltage. They can end up dividing the
voltage unevenly, which is exactly the worst thing to do.

73,
Mike, KK6GM