Pass Labs Amplifier Meter meaning?

On a Pass Labs amplifier, what exactly does the meter measure?

tvad03-18-2008 4:49pm

tubesrule Details Discussions Posts This discussion Message User 85 posts 01-20-2019 at 05:43am Copy Comment URL Report Comment Edit Delete Are the above ten year old responses still the same for the current X and XA point 8 models?