I have the WA7 and WA7tp with 12au7 driver tubes. I recently saw a link for tube dampers Hi I own a wa7 and wa7tp device. I was wondering about damping instruments. like those UltraSonic Rx Tube Dampers
"UltraSonic Rx Tube Dampers
UltraSonic Rx: Top-of-the-line, hi-end vacuum tube dampers...