This unique input channel provides grouping any number of inputs for easy multi-source mixing. It allows one set
of controls for all functions verses having to deal with multiple knobs and buttons on multiple channels. Plus this
becomes another input simply by activating the SUB button found on the Session In section.
Each of the four Input channels and the Submix channel feature a unique and exclusive three-position toggle
selector-switch. Choose between LP (low-pass), HP (high-pass) or L-H (low-pass, high-pass combo). All have steep
24 dB/octave (4th-order) slopes and are sweepable.
In the LP position the Filter knob sweeps the low-pass frequency from 20 Hz to 20 kHz (CCW to CW). The 12:00
middle position is 635 Hz.
In the HP position the Filter knob sweeps the high-pass frequency from 20 Hz to 20 kHz (CCW to CW). The 12:00
middle position is 635 Hz.
In the L-H position the Filter knob sweeps either the LP or HP filter depending upon rotation direction from center.
The 12:00 middle position bypasses both filters giving a flat unaffected response. Rotating the knob from fully
counterclockwise to center sweeps the LP filter from 20 Hz to 18 kHz. Rotating the knob from center to fully
clockwise sweeps the HP filter from 35 Hz to 20 kHz.
The single Resonance (Q) knob controls the shape of all Input and Submix filters. The range is from flat (Q=0.707)
to max peaking (Q=12).
These filters are high resolution, fast and artifact free, with all filter coefficients accurately calculated for the
selected sample rate.
Channel Tone Controls
All input channels and the Submix channel have exceptional three-band tone controls characterized by being 12
dB/octave (2nd-order) Linkwitz-Riley, full-cut filters (kill) with selectable crossover points of 150 Hz/6.0 kHz or 300
Hz/3.0 kHz. The crossover points are selected in the user control panel when connected to a computer via the USB
Like the Filters section above, the Tone Control filters are extremely accurate, high resolution, fast and artifact
free, with all filter coefficients accurately calculated for the selected sample rate.
The proprietary three-band output Isolator is a steep 24 dB/octave (4th-order) phase-compensated Linkwitz-Riley
design with continuously adjustable low-mid and mid-high crossover points. Like the Tone Controls, these filters
are extremely accurate, high resolution, fast and artifact free, with all filter coefficients accurately calculated for
the selected sample rate.
Adjustable crossovers allow the artist to match the Isolator to the music being played. Low-mid crossover is
adjustable from 80 Hz to 640 Hz. Mid-high crossover is adjustable from 1 kHz to 8 kHz.
The superior microphone preamplifier is a high-performance current-feedback instrumentation design
manufactured by the world leader in pro audio analog circuits, THAT Corporation, having lower noise at low gains,
wider bandwidth, higher slew rate, lower distortion, and lower supply current than other designs. Transient
overvoltage protection is provided along with selectable +48 volt phantom power.