05-18-2017, 05:55 AM
No, you can use 600 or 630 volt rated film caps as replacements. There are some that could be replaced with 400 or even 200 volt caps, but 600/630 volt film has become the standard among collectors - they are cheap, easily available, and generally small enough to fit inside bakelite blocks easily.
--
Ron Ramirez
Ferdinand IN