[Amps] Drake L4B plate voltage drop

[K8mp at aol.com]

Ampoholics Anonymous:
 
Anyone know the typical plate voltage drop at key-down on an L4B?
Key-up voltage is 2690 and key-down is 2520, with 50 watts in. That's about 
 a 6% drop.
 
Later,
Joe, K8MP