27 Jul
2007
27 Jul
'07
10:37 p.m.
On 28 Jul 2007 at 0:29, William Donzelli wrote:
That is a old radio myth - it does not work any better
than just
letting the tube do its own thing.
It's probably not a bad idea to limit inrush current, however. A
surgistor will do that trick.
I seem to remember it's also advisable to let mercury-vapor
rectifiers that haven't been used for a long time "cook" without
plate voltage the first time they're used (beyond, that is, the
initial normal warm-up time).
...but then, I'm telling anyone anything they don't already know.
Cheers,
Chuck