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Preset section:

  • Patches are stored in clear categories folders.

Distortion section:

  • Amp Simulator
    Amplifier simulation effect. Several types of amp types are simulated. Great for creating edgy sounds.Type of amp simulation. Settings are:- None, 4x10" guitar speakers, 4x12" guitar speakers, Bass speaker, Combo speaker and Radio speaker.Distort Amount of distortion added to the sound.

  • Cabinet Simulator
    Several types of cabinet types are simulated. Great for creating edgy sounds.Type of cabinet simulation. Settings are:- None,Fender,Marshall & Off Axis.Distort Amount of distortion added to the sound.

  • Clipper
    Hard clipper, this limits output which is to above or below the set clipping levelNegative The clipping level for the negative signal. From 0% (no clipping) to 100% (maximum clipping).Positive The clipping level for positive signal. From 0% (no clipping) to 100% (maximum clipping).Amount, the amount of clipping from 0% (no clipping) to 100% (fully clipped)

  • Cos
    Cosine distortion effect.Frequency, Frequency of the cosine effect.Amount, Amount of cosine distortion

  • Cross 1
    Cross, Position for cross distortionAmount, Amount of cross distortion

  • Cross 2
    Negative Cross distortion position for the negative signalPositive Cross distortion position for the positive signal.Amount, Amount of cross distortion

  • Foldover
    Fold-over distortion, this amplifies and then ‘folds over’ the sound.Frequency Frequency of the fold-over distortion.Amount, Amount of fold-over distortion

  • Fuzz
    Fuzz-box distortionFrequenter Frequency of the fuzz-distortion effectAmount, Amount of fuzz distortion

  • Gapper
    Gapper distortion,Frequency Frequency of the gapper distortion effectAmount, Amount of fuzz distortion

  • Hard-limiter
    Hard limiter, this limits output which is to above or below the set limit level and thenboosts the signal.Limit The clipping level for the signal. From 0% (no limiting) to 100% (maximum limiter).Amount, The amount of post-limiting boosting.

  • Low-Fi
    Low-Fi effect, this reduces the sample & bit rate & adds noise to the signal.Bits Bit level of the signal.Sample Rate Sample rate of the signal.Noise Amount of noise added to the signal.

  • OverDrive 
    Over-drive effectDrive, Drive for the over-drive effectAmount Over-drive mixing amount.

  • Octave 1
    Octave effect, this shifts the sound up an octave,Negative Mixing for the negative signalPositive Mixing for the positive signal.

  • Octave 2
    Octave effect type 2,Frequency Frequency of the octave effect.Amount, Amount of octave effect.

  • Power
    Power wave-shaping effect.Drive, drive for the power effectAmount, Power mixing amount.

  • Rectify
    Rectifies the signal, by multiplying the negative signalRectification Rectification of the negative signal, from -100% (no rectification), 0% (half rectification) to 100% (full rectification)  Amount, Rectification mixing amount.

  • Ring Modulation
    The ring modulates (multiplies) different signals together depending on the type.Type Sine, Saw, Sqr & Tri, multiplies the input with the set oscillator.Frequency Sets the oscillator frequency.Amount Sets the ring modulation amount.

  • Saturate
    Saturation effect.Saturation Saturation levelAmount Saturation mixing amount

  • SoftLimit
    Soft-limiter effectAmount Soft-limiter amount

  • Squarify
    Squares the signal (turns it to a square wave), and then lowpass filter it.Negative Amount the negative signal is turned to a square wavePositive Amount the positive signal is turned to a square waveFilter Amount this square wave is lowpass filtered.

  • Transient
    Distorts the transients, i.e. the beginnings of sounds.Range Transient rangeAmount Transient distortion amount.

  • Tube Simulator
    Tube distortion effect, by saturating, limiting, rectifying and bandpass filtering the input.Limit, Hard limiter threshold.Rect Amount of rectification, from -100% (no change), 0% (half) to 100% (full).Saturate Amount of saturation..Tone Frequency of the band pass filter.Emphasis Bandwidth of the band pass filter.

  • Atan
    Mathematically determined distortion effect based, which distorts the sound by waveshaping using an arc-tan function.

  • Clipper 2
    This effect provides another interpretation of a clipping distortion. Symmetry control is added for further sound shaping.

  • FM
    This effect uses the input to modulate the frequency of an oscillator generated by RP DISTORT.

  • Waveshaper
    The waveshaper effects waveshapes the low & high signal differently and then pass it through a low-pass filter.

  • Two Band
    The last seven distortion effects come in two-band varieties. These are Two Band Cos, Fuzz, Limiter, OverDrive, Power, Rectification and Saturation.
    The two band varieties work in the same manner as their single-band version but are able to process two different parts of the input signal separately. RP DISTORT splits the input signal in a low and a high frequency band. The split frequency determines the cutover point. The low and high band are the then separately distorted, and then mixed back together, using the mix control,
    The two band effects allow you for instance to maintain a solid tight bass with screaming high frequency material on top from a single wide band input signal.

EQ Unit (inside the distortion section):

  • 4 Band Equalizer effect.   

  • On/Off The “EQ” label turns on & off the EQ effect.

  • Low 125 Hz volumeMid 1 500 Hz volumeMid 2 2 kHz volumeHigh 8 kHz volume

Noise gate (inside the distortion section):

  • Noise gate unit, the noise-gate is an audio effect that removes any sound (‘gates’) that is below a threshold volume.

  • On / Off The “Gate” label turns on / off the noise-gate effect.

  • Threshold This sets the threshold on which the noise-gate starts to work.

  • Attack This sets how fast the noise-gate returns to normal after the input volume is over the threshold.

  • Hold This sets how long the input volume has to below the threshold volume before the noise-gate is triggered.

  • Release This sets how long the noise-gate takes to reduce the volume to zero after the noise-gate is triggered.

Filter section:

  • RP-Distort has a low & high pass filter, in the order low-pass filter then high-pass filter   

  • 12 / 24dB Selects between a 12dB and a 24dB filterLow Frequency of the low pass 

  • filterLow Q Resonance of the low pass filterHigh Frequency of the high pass filterHigh Q Resonance of the high pass filter


  • audio compressor with on/off selector

  • threshold, ratio, attack, release and volume paramters


  • 4x free modulation routings with amount control

  • 4x LFO with, tempo based sync mode,  waveform, speed, human feel, symmetry control

  • bypass button for all active modulations

  • global amount control for all active modulations

  • 4x CV input sources (back panel RP-Distort)

  • 4x LFO gate inputs (back panel RP-Distort)

  • side L/R audio input in the back screen. This allows you to use side input as either modulations sources, or it can be use to power the compressor or noise-gate

  • LFO CV output in the back screen. This allows you to use RP-Distort LFOs to control other things, so keep things in sync. 

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