> Which suggests a defective socket, and the usual 'fix' of
> changing the spring clip for one from a grid pin makes
> sense.
> But it might also be worth checking that the fan is going
> at full speed, and hasn't got dust or gooed up lubricant
> in the bearings, or the bearings are worn and the fan is
> running slow, reducing the airflow. If that's the case,
> then a new clip will go the same way.
I wouldn't recommend doing anything until he describes how
he is operating the amplifier. It could just be a bad spring
but without knowing how much anode dissipation and the duty
cycle he could be right back in the same position.
73 Tom
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|