Please explain more.
What is the role and cabling of the V30 Box, the GPA-400 and the Fryette?
Are you using the Fryette as a power attenuator or a power amp to the Kabinet?
Maybe I wasn't clear.
Once I had GPA-400 and V30 box.
Today I have Fryette PS-2 as power amp to the Kabinet.