[R-390] R390 VS 390A Plus CV-157

[Thomas W Leiper]

On Tue, 25 Jun 2002 12:35:16 -0700 (PDT) John Kolb <jlkolb@cts.com>
writes:
...
> 
> The CV-157 wasn't a simple product detector and audio chain
> like the CV-591, but designed to phase lock to a reduced level
> carrier transmitted along with an SSB or ISB signal. It had
> a motor controlled Automatic Frequency Control loop, and was
> larger, had more tubes, and required a lot more maintaince
> than the R390/390A's.

And you should hear how sweet it is when you hook up a stereo
system to the two sideband outputs and enjoy fade free AM
reception or tune across the band... I use mine for band cruising
with an SP-600 and there is nothing like it.

Tom