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Gamechanger Audio's AUTO Series M-Type pedals redefine classic audio effects with
cutting-edge parameter automation - carefully designed to become part of your performance.
Rather than overwhelming you with a variety of pre-made, quirky sounds, we provide you with
the essential toolset: three nuanced algorithms, four vital parameter controls, two exceptionally
precise dynamics & pitch tracker engines, and a set of patching accesories.
With these building blocks and the knowledge contained in this booklet - you will be able to
explore an endless array of sound possibilities. The combinations are virtually limitless, allowing
you to continuously breathe new life into the AUTO CHORUS and create soundscapes that
naturally evolve with your playing, offering a unique musical experience every time.
Dive into this expansive world of creativity, where every patch and every performance reflects
your personal artistry, imagination and technical ability.
STARTING POSITION:
FRONT PANEL:
LEVEL knob with
mode switch:
IN: Amount of signal
sent into engine
WET: Amount of signal
sent into engine;
DRY output muted
MIX: Mix between
fully DRY output and
fully WET output
DEPTH knob:
Modulation/detune
depth - zero at min.
PATCHBAY:
One input for each
parameter &
two identical
outputs per tracker
DYNAMICS knob
Adjust DYNAMICS
THRESHOLD &
RELEASE values
DYNAMICS MODE
switch:
FAST-RISE-GATE
AUTO footswitch:
Toggles all incoming
and outgoing CV
AUTO CHORUS
Automation mode
set to SUM
STEREO SPREAD
switch:
OFF-50%-100%
DYNAMICS BAR:
Input signal meter,
CV output,
DYN adjustment
CHORUS-ENSEMBLE-FLANGER
PITCH BAR:
Indicates input
pitch/timbre and
CV output
All automation
knobs centered
ALGORITHM
RATE knob:
switch:
speed - zero to
audible range
CV IN LEDs:
Indicate incoming CV
for each parameter -
Blue for negative and
red for positive CV
FEEDBACK knob:
Enhances effect with
feedback & resonance
AUTOMATION
Adjust and attenuate
incoming CV to set
automation range
AUTOMATION
MODE switch:
SUM-EXT-ALT
PITCH knob:
Adjust Pitch tracker
and RAMP value
PITCH MODE switch:
VOLT PER OCTAVE
ON/OFF footswitch
Toggles main effect
Modulation
knobs:
& direction
NOTE
TONE

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Summary of Contents for GameChanger Audio AUTO CHORUS

  • Page 1 With these building blocks and the knowledge contained in this booklet - you will be able to explore an endless array of sound possibilities. The combinations are virtually limitless, allowing you to continuously breathe new life into the AUTO CHORUS and create soundscapes that naturally evolve with your playing, offering a unique musical experience every time.
  • Page 2: Automation Modes

    PATCH-BAY & AUTOMATION CONTROLS: Each of the pedal's four parameters has a dedicated Automation input socket with a corresponding indication LED, and a mini-knob (AUTO knob) used for adjusting the amount and direction of the incoming Control Voltage (CV). AUTOMATION is achieved by sending a CV into the according parameter’s CV Input, and attenuating the CV with the AUTOMATION mini-knob.
  • Page 3 DYNAMICS BAR: CV output White LED bar displays your instrument's level within the pedal's headroom at all times. Input lvl The THRESHOLD point is a bright segment that can be moved across the Threshold bar with the DYNAMICS knob. Control Voltage (CV) will be produced when the input signal reaches and crosses the THRESHOLD point, turning it red.
  • Page 4: Note Mode

    PITCH BAR & PITCH MODES: The PITCH tracking engine analyzes the tonal content of the input signal at all times and displays it as a moving WHITE moving CURSOR on the PITCH LED Bar. Depending on the PITCH MODE and settings - the cursor will move in and out of CV ZONES - indicated as RED or BLUE LED segments on the PITCH BAR - the brightness shows output CV strength - up to 5V.
  • Page 5: Firmware Update

    PITCH RAMP parameter: Hold the ON footswitch and turn the PITCH knob to adjust the RAMP parameter - represented by YELLOW segments on the PITCH BAR. When turned all the way down, the PITCH tracker will follow your input pitch with maximum speed, whereas increasing the RAMP bar will make the PITCH tracker's output smoother by introducing a “glide”...
  • Page 6: Back Panel

    IMPORTANT! IMPORTANT! TRACK INPUT & SIGNAL CHAIN: TRACK INPUT & SIGNAL CHAIN: To ensure precise signal tracking and CV generation - each AUTO Pedal needs to receive a To ensure precise signal tracking and CV generation - each AUTO Pedal needs to receive a CLEAN INPUT signal from your instrument.
  • Page 7 PATCH IDEAS DUCKING ENSEMBLE RISING RATE TALKING FLANGE Use DYNAMICS tracker in Use DYNAMICS in RISE mode Use DYNAMICS in GATE Mode FAST MODE to remove to increase Chorus rate gradually; to budge the RATE control modulation from loud THRESHOLD & RELEASE on note attacks only - plucks/stums + adjust with adjust depth and timing of increase.
  • Page 8: Safety Information

    You will only be responsible for return shipping charges. Each AUTO Series pedal manufactured by Gamechanger Audio is warranted to be free from defects in materials and workmanship for one year from the date of shipping or longer if required by the relevant legislation.
  • Page 9 MIDI CC MSB and LSB value range (CC[n] = MSB, CC NAME MSB value range CC[n+32] = LSB) LEVEL [0...127] = [0...1] [0...16383] = [0...1] RATE [0...127] = [0...1] [0...16383] = [0...1] 10 DEPTH [0...127] = [0...1] [0...16383] = [0...1] 11 FEEDBACK [0...127] = [0...1] [0...16383] = [0...1]...
  • Page 10: Technical Specification

    TECHNICAL SPECIFICATION Connections Inputs L/MONO 6.35mm (1/4’’) TS socket R/TRS 6.35mm (1/4’’) TRS socket TRACK IN/INPUT 3.5mm (1/8’’) TRS socket - Track signal insert (L/R) CV IN 1 … 4 3.5mm (1/8’’) TS socket, Control Voltage inputs for effects parameter control Outputs L/MONO 6.35mm (1/4’’) TS socket...

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