"Arthur Pozner" wrote :

About the merits of the R-390

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Somebody else added in a comment about the R-390/R-390A.
However, there is a *world* of difference between the R-390
and R-390A. Anyone who has owned both will know all about
it. Audio quality and filtering are among the most dramatic
differences.

But, as long as we're talking audio .. many will also remember
the Hammarlund SP-600 .. another boat anchor. It was another
analog receiver, but not with the odometer-like frequency
readout like the R-390 & R-390A. Instead, the SP-600
had several bands covering up to 50 MHz, but the "bandspread"
dial was soooo widely indicated, that (e.g. on 60 meters) each
single KHz could be indicated by about 3/8-inch on the large
main tuning knob rim. Pretty derned good for a boat anchor.
But,the audio .... the audio ... could not be matched by anything
either then or now. And, I have owned (literally) every major
performer receiver since the war (WW2).