[Heath] SB-102 Idling plate current

[Kenneth G. Gordon]

On 23 Feb 2016 at 2:05, Joseph Smalley via Heath wrote:

> I find that the idling plate current rises above the 50 ma setting as
> I transmit in a normal length CW QSO maybe 5 minutes. 

How MUCH above 50 mA?

> Final tubes were new old stock now 3 years old. Any suggestions as
> what may be causing this condition. 

First thing that came to my mind was screen emission of the finals. I would suggest that you 
try a set of new finals first.

However, Bob G3OOU is the expert here on our favorite rigs, so listen to him before me. :-)

My favorite mode is CW too.

vy 73,

Ken W7EKB