[Johnson] A question from A New BA operator.

[Rolynn Prechtl K7DFW]

> As I said, I hadn't tried it on the Valiant. I
> mentioned it only because that is the method indicated by Collins to run
> the KWS-1. According to the Collins manual, you load the KWS-1 (pair of
> 4X250B's) to full output, then reduce the grid drive (watching the plate
> meter and a power output meter) until you get to a power output level
> you want

There is a world of difference between the operation of the class AB1
(linear) final in the KWS-1 and the class C final of the Valiant which is
modulated by a fixed quantity of plate modulation that expects to see a
given impedance.

K7DFW

..._._