[Boatanchors] 811's verses 572bs

[GGLL]

	Yes, you gain more ruggedness (160W vs 65W ). Heater ratings are the 
same. I know many guys who changed to 572b in their Collins 30L1.

Regards
Guillermo - LU8EYW.

k8omo at juno.com wrote:
>  I know 572s are heavy duty more plate voltage and current but can they
> be a 
> direct replacement for 811A s  without changeing the componets in 
> the amp?
> _______________________________________________
> 
>