PDP8A chassis 50Hz

[vrs]

> look at the capacitor connected to the transformer. That is a constant
> voltage transformer and will need 50 hz to work correctly.

Hey, I have one of these on a shelf as a "spare" 8/a chassis (with almost
enough spare boards to make a spare 8a :-)).  I'd like to know if the 50Hz
turns out to be a strict requirement or not.  If so, is there is any easy
way to convert the thing for 60Hz?

Thanks!

    Vince