You can separate the grill from the driver but yeah, odds are that you will destroy the dust cover as well. It is attached to the thin aluminum ring that is between the grill and the front stator mounting plate.
Swapped in 6CA7 from Electro harmonic and the sub-bass is better ..... Tubes rolling is fun and GG is amazing ! Thank you Kevin !!!! Can't thanks Kevin enough
The LED switch is awesome from Joe and Ang, 2 tones, so white is my warmed up and warmed orange is operational