ORIGINAL MESSAGE: On Mon, 27 Jul 2009 18:38:35 +0100, jonathan white <jonathan.white20 at btinternet.com> wrote: > Anode volts will be around 2,800 volts REPLY: You probably can get away with it, but the manufacturer's data sheet says 2500 VDC is the max allowed. There probably is a little cushion there but I wouldn't push it too far. 73, Bill W6WRT