[Elecraft] K2 and HW-101?

[Vic Rosenthal]

Lee Buller wrote:
> 
> I've had this thought too...as you can pick up a HW101 for little or no
> dollars.  But, there are some issues.  Matching is one.  6146 tubes to not
> present a 50 ohm match to the K2.  That was my determination when I tried
> it.  A tuned input would have to be designed....

If you bias the tubes for class AB1 you could use a 10-watt noninductive
resistor as an input swamping network.  The K2 should provide more than enough
voltage swing across it to drive a pair of 6146's to full output.  In fact, I
bet this would work with an 813, too!

73,
Vic, K2VCO
Fresno CA