Boogie Logo

KO II

— Knob explorer

Two knobs, one fader

The K.O. II does almost everything with the X and Y knobs, and they change job with the mode. Here are all 23 knob mappings, mode by mode, plus the twelve fader assignments printed above the pads. Hover or tap a parameter to read what it does.

SOUND·Sound

The selected pad’s volume and pitch.

SOUND · SoundPress SOUND, then a pad.

AMPAmplitude

The pad’s volume.

Knob X

Read the full explanation

SOUND EDIT·5 pages

How the pad plays repeated notes, and where it sits in the stereo field.

SOUND EDIT · Sound edit · soundPress SHIFT + SOUND; the first page.

MODEPlay mode

Oneshot (monophonic, plays the whole sample), key (polyphonic) or legato (monophonic, carries on from the same point when the note changes).

Knob X

Read the full explanation

Where the sample starts and how long it plays.

SOUND EDIT · Sound edit · trimPress SHIFT + SOUND, then + to the trim page.

STARTStart point

Where playback begins. Snaps to zero crossings on mono sounds; hold SHIFT to zoom to a one-second window.

Knob X

Read the full explanation

How the sound fades in and out.

SOUND EDIT · Sound edit · envelopePress SHIFT + SOUND, then + to the envelope page.

ATTACKAttack

Fades the sound in, or lets it start exactly as recorded.

Knob X

Read the full explanation

Time stretch to the project tempo, or reverse playback.

SOUND EDIT · Sound edit · timePress SHIFT + SOUND, then + until the display shows tim.

MODEStretch mode

BPM stretches to the project tempo, BAR fits the sample to a number of bars, rev plays it backwards.

Knob X

Read the full explanation

The pad’s own MIDI channel and root note.

SOUND EDIT · Sound edit · MIDIPress SHIFT + SOUND, then + to the MIDI page.

CHANNELMIDI channel

The channel this pad sends and receives on.

Knob X

Read the full explanation

MAIN·2 pages

The live input’s level and its send to the effect.

MAIN · MainPress MAIN.

GAINInput gain

The level of the line input. GAIN is printed beside the knob.

Knob X

Read the full explanation

Velocity and length of all the notes on the current step.

MAIN · Step editHold SHIFT on a step, sequencer stopped.

VELOCITYNote velocity

How hard the notes on this step play.

Knob X

Read the full explanation

TEMPO·Tempo

Project tempo and metronome volume.

TEMPO · TempoPress TEMPO.

BPMTempo

The project tempo. Hold TEMPO and type a value for anything outside the knob’s range, with . for decimals.

Knob XRange 60–180 BPM (40–399 typed)

Read the full explanation

TIMING·2 pages

The recording grid and swing.

TIMING · TimingPress TIMING.

INTERVALNote interval

How many steps there are in a bar. Also the rate of note repeat and the arpeggiator.

Knob XRange 1/1, 1/2, 1/4, 1/8, 1/8T, 1/16, 1/16T, 1/32

Read the full explanation

The grid and swing that corrected notes snap to.

TIMING · Timing correctPress SHIFT + TIMING.

INTERVALNote interval

The grid that notes are corrected to.

Knob X

Read the full explanation

LOOP·Loop

Where the loop sits and how long it is.

LOOP · LoopPress SHIFT + TEMPO.

SLIDELoop position

Slides the loop back and forth through the pattern, locked to the tempo.

Knob X

Read the full explanation

KEYS·Keys

The key and scale the pads follow in KEYS mode.

KEYS · KeysHold KEYS.

KEYKey

The key of the scale. Saved per project since OS 2.5.

Knob X

Read the full explanation

SAMPLE·Sample

Recording level and the threshold that starts recording.

SAMPLE · SamplePress SAMPLE.

LEVELInput level

How loud the incoming sound is recorded.

Knob X

Read the full explanation

CHOP·Chop

Fine-tune the start and end of each slice.

CHOP · ChopPress SHIFT + SAMPLE, then a slice’s pad.

INSlice start

Where the selected slice starts. Hold SHIFT for finer steps.

Knob X

Read the full explanation

FX·6 pages

Echo time and number of repeats.

FX · DelayPress FX, then −/+ to the delay.

LENGTHDelay length

The time between repeats.

Knob X

Read the full explanation

Room size and tone.

FX · ReverbPress FX, then −/+ to the reverb.

LENGTHReverb length

The size of the space, from a small room to a cathedral.

Knob X

Read the full explanation

Amount of drive and the tone of the grit.

FX · DistortionPress FX, then −/+ to the distortion.

DRIVEDrive

How hard the sound is overdriven.

Knob X

Read the full explanation

Movement and intensity.

FX · ChorusPress FX, then −/+ to the chorus.

MODModulation

The rate at which the chorus moves the sound around.

Knob X

Read the full explanation

A two-way filter with resonance.

FX · FilterPress FX, then −/+ to the filter.

CUTOFFCutoff

Turn left to cut the highs, right to cut the lows.

Knob X

Read the full explanation

Input drive and reaction speed.

FX · CompressorPress FX, then −/+ to the compressor.

DRIVEDrive

How loud the audio going into the compressor is.

Knob X

Read the full explanation

OUTPUT·2 pages

The compressor on the whole mix.

OUTPUT · Master compressorPress SHIFT + FX.

DRIVEDrive

More drive gives a more obvious compression effect.

Knob X

Read the full explanation

How long and in what shape the destination groups duck.

OUTPUT · SidechainPress SHIFT + FX, then +.

LENGTHDuck length

How long the ducking lasts after each trigger.

Knob X

Read the full explanation

FADER·Fader assignments

The twelve jobs the fader can do for the current group, laid out like the pads.

FADER · Fader assignmentsHold FADER and press a pad.

LEVEL

The volume of the group’s current pattern. The default assignment, and it can be automated.

Hold FADER + pad 7

Read the full explanation