[R-390] R-390A Pedigree

[2002tii]

Paul wrote:

>In my opinion, the R-390 and R-391 have a slight long term advantage
>in the sense that they have RLC filters instead of mechanical ones.
>But even the now failing filters can be rebuilt as many people are
>discovering.

True.  However, longevity is not the only (and in my view, not the 
most important) advantage of well-designed RLC IF filters -- they 
sound much better, too.

Best regards,

Don