DigiTech RP21D manual Parametric Equalizers, Parametric Equalizer Parameters

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RP21D User’s Guide

Section Two - Editing Functions

 

 

Phase L - R

Inverts the phase of the left or right side of the stereo source signal. Can be set either IN or OUT of phase.

Freq

Controls the amount of boost / cut applied to the selected frequency. The GEQ 8 uses 1-1/3 octave ISO standard

 

frequency centers, (Hz) while the GEQ15 and GEQ31 use 2/3 octave and 1/3 octave frequencies. Boost/cut range for

 

each band is from -12 to 12.

 

Parametric Equalizers

Parametric EQs offer the added flexibility of letting you define the center frequency you want to adjust, and how many frequencies around that center frequency you want to affect. Some of the PEQ modules in the RP21D also include high shelf and low shelf EQ bands. A high shelf allows you select a frequency, and the boost/cut parameter changes the level of all the frequencies above that selected frequency. The low shelf works the same way but works on frequencies below the selected frequency.

Parametric Equalizer Parameters

Level

Controls the signal input level fed to the Module. Ranges from Off to 100%.

Phase

Inverts the phase of the source signal. Can be set either IN or OUT of phase.

Phase L - R

Inverts the phase of the left or right side of the stereo source signal. Can be set either IN or OUT of phase.

LoShlv Freq

Selects the center frequency of the low-frequency shelving EQ band. Ranges from 25Hz to 20kHz.

LoShlv Level

Adjusts the amount of boost or cut applied to the center frequency of the low-frequency shelving EQ band (selected

 

by LOSHLV FREQ). Ranges from -12 to 12.

Band # Freq

Sets the center frequency of the selected band. 6-band PEQs have four true parametric bands of EQ plus shelving

 

high- and low-frequency controls with variable frequency. Bands 1 and 2 range from 25 Hz to 20 kHz. Bands 3 and

 

4 range from 1 kHz to 20 kHz.

Band # Width

Controls the bandwidth of the selected frequency. The higher the setting of WIDTH, the more frequency-selective the

 

boost/cut becomes. In other words, with low (narrow) WIDTH settings, frequencies around the selected center

 

frequency are not affected by the LEVEL setting. As WIDTH increases, frequencies around the center frequency

 

become affected by the setting of LEVEL. Range is from 0.08 to 4.00 kHz.

Band # Level

Adjusts the amount of boost or cut applied to the selected frequency. Varies from -12 to 12.

HiShlv Freq

Selects the center frequency of the high-frequency shelving EQ band. Ranges from 1kHz to 20kHz.

HiShlv Level

Adjusts the amount of boost or cut applied to the center frequency of the high-frequency shelving EQ band (selected

 

by HISHLV FREQ. Ranges from -12 to 12.

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Contents Page Mains Plug Warning Digitech Digitech ElectronicsRP21, RP21D III Table of Contents RP21D Features IntroductionMaking Connections Apply PowerQuick Start Select ProgramGuided Tour of the RP21D Front PanelRear Panel Getting Started Making ConnectionsStereo About the RP21D Powering the RP21DProgram Mode DisplayExpression Pedal FootswitchesPrograms EffectsEdge of the Earth Preamp/Analog ModulesDigital Effects Modules Creating Programs Preamp DefaultsSelecting a Program Editing the PreampHeavy CompressorCompressor ThreshRatio AttackMediumLevel CompressorWah Pedal Toe Heavy Wah WahTube Distortion Tube DistortSaving a Distortion Default Type Dirty Tube GainLow Fuzz Solid State DistortionDistort Type FuzzTube GEQ Level PhaseBand Graphic Equalizer PunchTube GEQ Custom Noise Gate80Hz 140Hz 250Hz 450Hz Post T&D Noise Gate LoThreshTypeSilencer2 ThreshAtten AttackRelseDISTPan Mix Master Preamp SettingsNoise Gate Custom TubeOn Lvl DSPLvl Mstr DistByp Lvl DSPLvl MstrPreAmp Custom Storing a User Preamp DefaultNaming a Default NameUserDefault List RP21D User’s Guide Section Two Editing Functions Configuration Digital EffectsCenter Changing EffectsFXThru Module FX Dual ChoFXLvl DryLvl Balance Speed Depth WvFrmDlyA DlyB Balance OutA PanA OutB PanBChorus Effect TypesChoruses and Flangers Chorus Parameters Flanger Flanger ParametersPedal Phaser PhasersPhaser Parameters Pedal Phaser ParametersFeedback Rotary Speaker SimulatorTremolo and Auto-Panner Rotary Speaker Simulator ParametersAuto Panner DelaysTremolo Tremolo & Auto Panner ParametersFrequency Gain Dly a B Dly C D Out Delay ParametersFX Lvl Dry Lvl Balance Dly Time FdBck TapIt Smear Multi Effects Modules Chorus/Delay and Flange/Delay Multi-Effect Module ParametersSampler Reverse DelayTime Warp Reverbs Reverb Parameters ReverbGated Reverb TypeOver Type DispersionDiffusion Over FreqDetuners Delay CDelay D Increasing, Shelf, and Reverse ShelfDtn C D Pitch Shifters and HarmonyDtn a B Dtn E -HPitch Shifters Parameters Whammy Effect Parameters Whammy EffectsAuto Wah Graphic Equalizers Auto Wah Effect ParametersEqualizers Here are a couple of simple examplesParametric Equalizers Parametric Equalizer ParametersMaster Mix Dry Wet Master MixCabinet Emulator CabEmType Pre DigitalStore Prg toStyx And Sto Storing/Copying ProgramsNameStyx And Stones Assigning Programs Select Contrl F.SwitchFoot Controller Functions Assigning On/Off FunctionsRe-assign F.switch ? Expression Pedal AssignmentsSeries Assigning the Morph or VolumeAssigning the Wah Low Frequency Oscillators ModifiersDynamic Filters Midi Continuous ControllersViewing, Changing, or Deleting Assignments FXLvl CC # Min MaxTuner Midi Channels Output ModeCabinet Emulation OutputMonoMidi RcvChnl TransChnl Program Receive MapProgram Transmit Map Prg Rcv MapMIDI= UserSysEx Channel Midi Merge SysEx Channel and Midi MergeSysEx Dump SysExDump Bulk System User Default DumpProgram Dumps SysExDump UserPrg³PrgNumUsrDfltPreamp User Assigning a Midi CC to PedalsAssigning a Midi CC to the Expression Pedal PdlsBanks FS=Prg CCTranFactory Reset? Volume Pedal UpdateFactory Reset Bank NamesRecalibrate Pedal ? Recalibrating the Expression PedalAre you sure ? Push pdl forward,pressSection Five Appendix RP21D Factory Program ListSpecifications Input SectionRemarks Recognized

RP21D specifications

The DigiTech RP21D is a versatile multi-effects processor designed for guitarists seeking to expand their sound palette. With its comprehensive range of features and user-friendly interface, this device stands out as a reliable tool for both live performances and studio recordings.

At the core of the RP21D lies its extensive library of effects. Guitarists can choose from an impressive selection of up to 54 different effects, including distortion, overdrive, delay, chorus, reverb, and more. This variety allows musicians to create a unique sound that fits their style, whether they are seeking a classic rock tone or a more contemporary sound.

One of the standout features of the RP21D is its ability to store presets. With 40 user-defined patches and 40 factory presets, players can quickly recall their favorite sounds during a performance. This feature is particularly useful for guitarists who switch genres or styles frequently, as it allows for rapid transitions without the need for complex setups.

The device is equipped with a dual-analog distortion circuit, which provides a warm, tube-like tone that enhances the overall sound quality. Additionally, the RP21D includes a 24-bit A/D and D/A converter, ensuring high-resolution audio processing. This results in a cleaner and more dynamic sound, making it suitable for professional use.

The RP21D features a simple and intuitive interface, highlighted by a large LCD display that provides clear information about selected effects and parameters. Navigation is made easy with dedicated buttons for quickly adjusting settings and switching between effects.

Connectivity options are plentiful, including standard 1/4-inch inputs and outputs, as well as a built-in headphone jack for silent practice. The device also includes a direct output for connecting to a PA or recording system, making it an excellent choice for live situations and studio work alike.

In terms of power, the RP21D can be powered by either batteries or an AC adapter, offering flexibility for musicians on the go.

Overall, the DigiTech RP21D is an impressive multi-effects pedal that combines quality sound processing with a vast range of features. Whether you are a seasoned guitarist or a beginner, the RP21D offers everything needed to explore new sonic territories and refine your musical expression. Its robust construction and reliable performance make it a valuable addition to any guitarist’s rig.
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