XMAX Class A preamp input stage
12AX7 dual-servo vacuum tube output stage
Input Gain control
48V phantom power
80 Hz high-pass filter
-20 dB pad
Instrument input select
Polarity-reverse switch
Backlit VU meter
Clip LED
Input/Output
1 unbalanced ¼” instrument input
1 balanced XLR mic input
1 unbalanced ¼” line output
1 balanced XLR line output
Compact 1/3U rack-mount chassis
External 12 VDC, 1A power supply