[R-390] Variacs & original spec...

[Dave Kamp, KW0D]

Hi all!

The whole variac concern is very valid to me, on account of the age of
these machines...

But interesting to note that in the R390A's spec, listed on page 1-6 of Rev
8 of the 21st Century R390A/URR Technical Reference:

:---> 115 or 230vac  +/- 10%...

Which comes out to 126.5v on the high end.  My mains are pretty darned
stable here... between 119 and 122, less a tad'a sag when the
air-conditioner cycles on...

DK  :-)
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73's from KW0D Dave in LeClaire, Iowa