Amp Model Knob Being Controlled By Bass And Drive - Spider Valve Mkiihd in Spider Valve Posted October 20, 2013 Dude... I am having the exact same problem. I don't want the amp to do my modeling for me. I picked it because it offers great responsiveness and volume in a nice, compact 1 x 12 cab. I have been using a patch called 01 Like Buttah. It has exactly the sound atttributes I need it to have. I was able to read from the LCD screen the positions drive, bass, mid, treb, vol, and reverb should be in. If I pick an unused patch, I can set the amp model to clean. This particular patch requires I have the bass turned all the way up. No way will the amp let me do that without changing the model. Likewise, the drive has to be set at about 9:00, the channel volume at about 10:00, treb at 1:30 or so, and mid at noon. I use an effects pedal for all my effeccts work. All I want to be able to do is set the model to the amber clean and set anything else on there to anything I want WITHOUT the amp model changing. How does one accomplish this? I've read and re-read the manuals and have spent like hours working on this. The reason I need to know is because I want to create such a patch on my old Spider Valve 112; I hadn't learned as much as I have now so I'll have at that again, too, but I suspect I will run into the same problem.