[ARC5] S=N/N results - suspicions

[Geoff]

>I now suspect that at least one of the reaons I had such a dramatic 
>improvement the first
> time I swapped a 12SH7 in place of the 12SK7 is that there was a pin in 
> the socket not
> making good contact, despite my having put a drop of DeOxit in each socket 
> hole.
>
> I must have missed one.
>
> Subsequent swapping showed no improvement worth considering at this 
> frequency of 2.0
> MHz.
>
> Oh, well...
>
> Ken W7EKB



That sure makes more sense (-;

Carl