Summit Audio ECS-410 Everest Channel Strip - Manual (Page 19)

19 ECS-410 EVEREST
Mz2 - Microphone & Instrument Preamplifier
High Pass Filter
To reduce rumble or sub-audio frequencies, you have the option
to enable this virtually transparent high pass filter. The frequency is
fixed at 60Hz with a gentle 6dB/octave rolloff.
Tube/Solid-State Output Switch
This switch selects between a solid-state or vacuum tube pream-
plifier. Choose SS for ultra-clean-pristine or Tube for more warmth
and color.