[Boatanchors] 6550 tubes

[Todd, KA1KAQ]

On 8/2/05, w6om at cox.net <w6om at cox.net> wrote:
> The 6550 is a popular tube out here on the Left Coast with Am'ers as
> replacement modulator tubes in the Viking Ranger.
> 
> You need to crank up the grid current to 90 mils but once done stand back. You
> have a Ranger that sounds rich, full bodied and like a commericial broadcast
> station.
> 
> I did it in mine and could not be more pleased.

No other mods or socket rewiring required? Sounds like one of those
'best bang for the buck' modifications. Always nice when a simple swap
and minor adjustments can yield pleasing results. Beats the hell out
of drilling and blasting.