using new technology on old machines

[tony duell]

> 
> > > Oh, very much! Then we could have a discussion about using
> > > modern switching power supplies ot not ;-)
> >
> >  As opposed to the original 11/70 switching supply?
> 
> I would suspect that modern switchers are more efficient. If I
> wanted to have one running for any longer extent I would
> consider an "upgrade". Only reversible changes of course.

Quite probably, but the modern mains-side switcher is more 
troublesome and a lot less pleasant to repair. I think I'll stick
with the room-heater in my 11's :-)

-tony