> On Mar 4, 2017, at 17:09, Jon Elson <el...@pico-systems.com> wrote: > > Hmmm, on our TU77, the vacuum pump was not that audible, but then it was in a > room with a LOT of noise.
My memory might be faulty, since it has been about 25 years since I've heard a TU77. I don't suppose anybody near southern California has an extra one I might adopt? :) -- Mark J. Blair, NF6X <n...@nf6x.net> http://www.nf6x.net/
