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Step Fader mkII
Step Fader mkII it's a 'hands on' eurorack dual sequencer, featuring two 8 step lines or one with 16 steps plus
quantizer, slew limiter, internal clock generator, CV inputs to control several parameters and more...
Each sequencer has independent settings for the play mode, start point, length, clock divider, transposition
and duty cycle.
The 2 channels of the quantizer can be used for processing external signals, and the same applies for the slew
limiter.
There are also 16 presets to store & recall all the sequencer settings.
The range of the sequencers is 5V approx, and the sum output (CV 1+2) is about 10V.

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Summary of Contents for Tesseract Modular Step Fader MKII

  • Page 1 Step Fader mkII Step Fader mkII it’s a ‘hands on’ eurorack dual sequencer, featuring two 8 step lines or one with 16 steps plus quantizer, slew limiter, internal clock generator, CV inputs to control several parameters and more… Each sequencer has independent settings for the play mode, start point, length, clock divider, transposition and duty cycle.
  • Page 2 INPUTS ● CLK 1 clock input for sequencer 1 (normalized to CLK 2) ● RESET 1 reset input for sequencer 1 ● QIN 1 input for quantizer 1, range 0 to +10 volts ● SLW IN input for the slew limiter 1 ●...
  • Page 3 FUNCTION BUTTON AND KEYPAD MODES The 16 illuminated buttons can be used to set several parameters, even to play the sequencer as a keyboard. Clicking on the FUNCT button will make the keypad blink, clicking again on one of the 16 illuminated buttons will select the overall behavior (aka key modes).
  • Page 4: Signal Flow

    The rest of the signal flow is purely analog. To use the Step Fader mkII as a 16 steps sequencer (main mode = single) a cable from the CV 1+2 has to be connected to any of the quantizer inputs, if not, each quantizer will process their respective row of faders.
  • Page 5: Main Setup

    Obviously the position of the faders is not saved into the presets so loading a preset does not mean that you’ll get the exact same performance from the module. After loading or saving a preset, Step Fader mkII will return to the previous key mode. KEYBOARD, RECORD & CLEAR The 16 illuminated buttons can be used to play the sequencer as a sort of keyboard in the KEY mode, but it can also record the played sequence by entering the REC mode.
  • Page 6 (aka step repeat) of the sequencer 2. INTERNAL CLOCK & TEMPO CONTROL Step Fader mkII has an internal clock. Hold SHIFT and click on PLAY to start /stop. SHIFT + RESET will do a manual reset to both sequencers.
  • Page 7 QUANTIZER Step Fader mkII has a built-in 2 channel quantizer with a range of 0 to +10 volts. These quantizers can be used to process external CV and they are totally independent of the sequencer except for the slide (when sequencer 1 is on a step with the slide active the quantizer will perform a slide when a voltage change is received).
  • Page 8 TRANSPOSE A transposition of the V/OCT output is possible (this will be applied before the quantizer, so the result will always be within the set scale). When in this key mode, the upper row of illuminated buttons will set the transposition for the first sequencer, and the lower row will set the second one.
  • Page 9: Additional Outputs

    SLIDE AND SLEW LIMITER These are two different things, the slew limiter it’s an analog circuit that will continuously smooth the voltage changes present at the slew input (by default the voltage coming from the sequencers), it has no voltage control, while the slide will perform a glide when it’s active in a step.
  • Page 10 V/OCT CALIBRATION Assembled units are calibrated already so this step is not necessary, but if you want to calibrate it can always enter the calibration mode by holding shift while powering the module until the first illuminated button starts pulsing. The process is simple: ●...

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