[AMRadio] Seeking advice for 1st time restoration -- Viking II

[Geoff Edmonson]

On 07/17/2011 06:59 PM, J. Mark Bolton wrote:
> Geoff:
>
> Thanks for the good advice on restoring the Viking II.  I laughed when you
> mentioned installing a pair of 6146's.  Oops! I did leave those out didn't
> I.  They were missing from the hamfest radio but I picked up a pair from
> another hamfest tube man before I left.
>
> Which brings up another question.  I intentionally purchased two RCA 6146's,
> not 6146As or Bs. Somewhere I remember hearing that this old transmitter was
> designed and built before the advent of the later generations of the 6146.
> Any truth to that? Does it matter?

I'm sure some purist will say it does, but the spec sheets say that they 
are unilaterally interchangeable.