LED
Provides visual signal status as it monitors average RMS peaks to deliver a clean, distortion-free signal to the mix buss and recording system.
Trim
Control lets you set the input level going to the tube and class-A circuit. Set low for least distortion or high to add harmonic content and grit.
180°
Used to phase-align two signals for greater accuracy or as a creative element during the recording process.
Gain
Lets you adjust the overall drive circuit. When pushed hard, the Powertube adds distortion and harmonics to the signal path.
Air
High frequency lift used to gently add presence to the signal path for more air and clarity.
Filter
80Hz high pass filter removes low frequency to help eliminate excessive bass and is particularly useful when layering acoustic tracks.
48V
Phantom power for condensers is equipped with power-on LED and recessed to prevent accidental use that could damage ribbon mics.
Mic Input
XLR female connector is conveniently located on the front panel and placed at the bottom to keep the cable out of the way of controls.
Omniport
Rear mounted ¼” instrument input, allows guitar and bass to be recorded direct. Available when used with 500 series racks.
