I watched a video today from Rick Beato: You may certainly draw your own conclusions on the tone clips and EVH lore. Rhett certainly expressed that he could feel the change in voltage. From a technical perspective it would seem to me that it is a powerful tool for changing the way the tubes bias and generate load lines. I was thinking a bit on that concept and came up with this idea. What about introducing an L Pad variable resistor in the B+ line? Before node 1 sends to the power tubes would be most powerful / impactful, but I'm a bit leery about that messing with bias and tube life and amp stability in the power section. So what about after the first node sends to the OT - then a choke - then you run a bit lower resistor, maybe 2.2k in series with an L Pad of maybe 25k to 50k? The 12AX7's seem pretty robust to handle a change in voltage. Anyone tried this or seen it? Worth exploring?