DSL20HR Cathode Based???

[Inspector #20]

Am I correct in that ALL DSL20HR do not require biasing when changing power tubes????

 

[Hackmaster]

From what I understand about them, that is correct.

 

[TCE63]

Am I correct in that ALL DSL20HR do not require biasing when changing power tubes????

That is correct sir

 

[RobV]

1st thing I found out after buying it, nice surprise

 

[syscokid]

I wonder why Marshall doesn't explain or highlight the fact that these particular amp circuits don't require biasing?

 

[Mitch Pearrow SJMP]

It’s the same with the origin 20 H, and as far as I know, the studio classic, and vintage classic lines are the same as mentioned above!
Cheers Mitch