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DigiTech RP21D User Manual

Integrated tube guitar processor
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  Summary of Contents for DigiTech RP21D

  • Page 2: Safety Instructions

    These symbols are internationally accepted symbols that warn of potential hazards with electrical products.The lightning flash means that there are dangerous voltages present within the unit.The exclamation point indicates that it is necessary for the user to refer to the owners manual. These symbols warn that there are no user serviceable parts inside the unit.
  • Page 3: Declaration Of Conformity

    8760 S. Sandy Parkway Sandy, Utah 84070, USA Tel: 801.566.8800 Fax: 801.566.7005 Effective February 10, 1999 European Contact: Your Local Digitech Sales and Service Office or International Sales Office 8760 S. Sandy Parkway Sandy, Utah 84070, USA Tel. 801-568-7638 Fax 801-568-7642 EN 60065 (1993) IEC 65 (1985) with Amendments 1, 2 &...
  • Page 4: Warranty

    7. The foregoing is in lieu of all other warranties, expressed or implied, and Digitech neither assumes nor authorizes any person to assume any obligation or liability in connection with the sale of this product. In no event shall Digitech or its dealers be liable for special or consequential damages or from any delay in the performance of this warranty due to causes beyond their control.
  • Page 5: Table Of Contents

    Table of Contents Safety Information...I Declaration of Conformity ...II Warranty ...III Table of Contents ...IV Section One - Introduction Congratulations...1 Included Items ...1 Product Features ...1 Quick Start...2 A Guided Tour of the RP21 ...3 The Front Panel...3 The Rear Panel ...4 Getting Started ...5 Making Connections ...5 Mono ...5...
  • Page 6: Section One - Introduction

    RP21D an extremely versatile sound shapingtool for your music in the studio or on stage. This user’s guide is your key to understanding how to get the most out of the RP21D. Please read it carefully and familiarize yourself with the controls.
  • Page 7: Quick Start

    Apply Power: Turn the Output knob on the rear panel of the RP21D all the way down (fully counter clockwise). Connect the plug of the PS0940 power supply to the power jack on the RP21D. Connect the other end of the PS0940 power supply to an AC outlet. Begin playing your instrument and adjust the Input Level knob until the Input Clip LED flashes with strongest signal, then slightly reduce the Input Level.
  • Page 8: A Guided Tour Of The Rp21

    The parameters can be accessed by pressing the button corresponding to the the numbered parameters. 6a. Preamp Button - The Preamp button will provide direct access to the effect modules in the Preamp section of the RP21D. This button will light when you are editing modules in the Preamp section.The modules in the Preamp section include the...
  • Page 9: The Rear Panel

    1. Input Jack - This is where your signal enters the RP21D. Connect from the output of your instrument to this jack. 2. Input Level - This knob adjusts the strength of the signal as it enters the RP21D. Set this level so that the clip LED lights occasionally with strong signals.
  • Page 10: Getting Started

    MIDI In of the RP21D. 11. S/PDIF Output - This is the digital output from the RP21D. The signal at this output is in a digital format, and is to be connected to a digital S/PDIF input such as those found on digital recorders.
  • Page 11: Stereo

    NOTE: The RP21D is a preamp. Running The RP21D signal into the input of a combo guitar amplifier will preamplify the signal again adding noise and possibly feedback. When using a guitar amp, it is best to connect the guitar to the input of the RP21D and the output of the RP21D to the effect return of the amplifier.
  • Page 12: Powering

    Once the audio connections have been made, connect the 4 pin connector of the power adapter to the power jack on the back of the RP21D and the other end to an AC outlet. Begin to play your guitar while adjusting the Input Level on the back panel of the RP21D. The Input Level should be adjusted so the clip LED lights occasionally on the strongest peaks of your signal.
  • Page 13: The Programs

    As you go through the different Programs that came in the RP21D, you will find that the expression pedal has different functions. This pedal can be assigned to control any parameter of any effect in the RP21D. Rocking the pedal back and forth will change the value of the parameter that the pedal has been assigned to control.
  • Page 14: Preamp/Analog Modules

    Successive presses of the Effects button will advance to the next module in the digital section of the RP21D. After you have selected the module that you wish to edit, use the 1-4 buttons to select the parameter that you want to modify.
  • Page 15: Section Two - Editing Functions

    Program each one individually. It remembers the settings of all of the preamp effect modules and will set all parameters to the values stored in the default. There are 30 factory and 30 user preamp defaults in the RP21D. You can choose one of the factory preamp defaults that suits your needs, or tailor your basic sound to get a custom preamp tone that you will want to use for several other Programs.
  • Page 16: Compressor

    1 dB increase in output. The number 2 icon is telling you that in order to access the Ratio parameter, you must press the number 2 button. Then you can adjust the Ratio value by rotating the Data Wheel. RP21D User’s Guide Compressor...
  • Page 17 The number 3 icon is telling you that in order to store your Compressor settings to a default, you must press the number 3 button. Once you press the number 3 button, the RP21D will take you into a naming menu to give your compressor default setting a custom name. See page 21 for more information on naming functions.
  • Page 18: Wah

    Wah Wah The RP21D includes an analog Wah effect which can be assigned to the expression pedal and controlled just like a stand alone Wah pedal. You access the Wah by pressing the Preamp button until the Wah module in the display is flashing. With the Wah module flashing, the display...
  • Page 19: Saving A Distortion Default

    The number 3 icon is telling you that in order to store your Tube Distortion settings to a default, you must press the number 3 button. Once you press the number 3 button, the RP21D will take you into a naming menu to give your Tube Distortion default setting a custom name. See page 21 for more information on naming functions.
  • Page 20: Solid State Distortion

    Solid State Distortion In addition to the Tube Distortion, the RP21D also includes a solid state Distortion. Both the tube and solid state Distortions may be run simultaneously or separately. Each Distortion has a separate 10 band Equalizer. To access the solid state Distortion module, press the Preamp button until the Dist module is flashing.
  • Page 21: Band Graphic Eq

    10 Band Graphic Equalizer The RP21D includes two 10 band Graphic Equalizers in the preamp section, one for each of the distortion paths. To access either one of the Graphic Equalizer modules, press the Preamp button until the desired EQ module is flashing. The display will look something like this: The display is now telling you three things about the Graphic EQ module: 1.
  • Page 22: Noise Gate

    1-4 icons in the display. Once the frequency has been selected, rotating the Data Wheel will boost or cut the gain applied to that frequency. The 10 Band Graphic EQ on the RP21D can be compared to having 10 tone knobs on an amplifer. Each one adjusts a specific segment of the spectrum of frequencies that a guitar generates.
  • Page 23 1. This is the type of Noise Gate that you are going to use. You have two choices of Noise Gate types. The different types are basically changing the plascement of the Gate in the signal path. Silencer 1 puts the Noise Gate detector at the input of the RP21D before the signal enters the Preamp.
  • Page 24: Master Preamp Setting

    The number 3 icon is telling you that in order to store your Noise Gate settings to a default, you must press the number 3 button. Once you press the number 3 button, the RP21D will take you into a naming menu to give your Noise Gate default setting a custom name. See page 21 for more information on naming functions.
  • Page 25 2 button. You can then change the Level value by rotating the Data Wheel. 3. This is the Volume Level of the Tube Distortion signal being fed into the digital section of the RP21D. Use this parameter to prevent digital clipping from occuring.
  • Page 26: Storing A User Preamp Default

    1. The number 3 icon is telling you have made changes in the Preamp modules and that in order to store your Preamp settings to a default, you must press the number 3 button. Once you press the number 3 button, the RP21D will take you into a naming menu to give your Preamp default settings a custom name.
  • Page 27: Default List

    RP21D User’s Guide Section Two - Editing Functions 1. This is the current name of the default. There will be a cursor under one of the characters of the name. This indicates which character has been selected. Rotating the Data Wheel will change the character. The next and previous page buttons will move the cursor right or left.
  • Page 28 RP21D User’s Guide Section Two - Editing Functions...
  • Page 29: Digital Effects

    There are literally dozens of digital effects available for you to choose from. The Digital Effects can be placed in any order that you choose, and you may even run redundant effects. Up to four Digital Effects can be used simultaneously in the RP21D. The Digital Effects are accessed by using the Effects button.
  • Page 30: Changing Effects

    You can then rotate the Data Wheel to select a different default. 4. There are 5 pages of parameters associated with the Chorus, and you are currently on the first page. Pressing the Next Page button will advance to the second page. RP21D User’s Guide FX:Thru Module %kHz...
  • Page 31 RP21D User’s Guide Section Two - Editing Functions Once the second page of parameters has been accessed, the display will look something like this: The display is now telling you four more things about the Chorus parameters. 1. This is the input level of the Chorus effect. The number one icon is indicating that you must press the number one button to access the effect level parameter.
  • Page 32 Like the Preamp effects, every Digital effect includes user defaults which can hold your favorite settings for quick recall. The procedure for storing defaults to the Digital effects is the same as for the Preamp effects defaults. See page 21 for more information on storing a default to an effect. RP21D User’s Guide DlyA DlyB...
  • Page 33: Effect Types

    The only exception being that different effects will have different parameters, and some may have a different number of pages. The following is a list of the types of effects available with the RP21D, and a definition of the parameters.
  • Page 34 Aside from the more obvious speed and depth parameters (which adjust respectively how fast and far the sound goes out of tune), the RP21D allows you to use different waveforms. The waveform defines how it will move in and out of tune.
  • Page 35: Flanger

    RP21D User’s Guide Section Two - Editing Functions Pan A - B Controls the placement of chorus voice A or B. Ranges from -99 to 99. Out C - D Adjusts the overall level of chorus voice C or D. Ranges from Off to 100%.
  • Page 36: Phaser

    Sets the Balance of the effect. Ranges from L 100 to R 100. Pedal This parameter is used to be controlled by the expression pedal to control Depth and Feedback. Range: 0 to 100. RP21D User’s Guide Section Two - Editing Functions...
  • Page 37: Rotary Speaker

    RP21D User’s Guide Section Two - Editing Functions Depth This parameter controls the amount of modulation depth in the phaser. Range is 0 to 100%. Feedback This parameter controls amount of feedback in the phaser effect. Range is 0 to 100%.
  • Page 38: Temolo

    The RP21D delays have a feedback meter that is used to send a portion of the delayed signal back to the input to be re-recorded along with new source material.
  • Page 39 This used to mean grabbing a calculator, dividing 60 by the tempo (beats per minute), then dividing that answer by the desired sub-beats . . . Sound like a hassle? Yeah, we thought so too. So the RP21D takes care of all the calculations for you! All you have to do is tap the TapIt (assign the tapit parameter to a footswitch) and manually tap in the desired delay time and the new time is added.
  • Page 40: Multi Effects Modules

    Multi Effects Modules - Chorus/Delay and Flange/Delay The RP21D Multi Effect Modules allow the User to combine either Delay and Chorus or Delay and Flange within one Effect module block. This is ideal for situations where the User needs to add another effect to the Effect Configuration, but is running low on signal processing resources.
  • Page 41: Reverse Delay

    RP21D User’s Guide Section Two - Editing Functions C/F: Delay Controls the delay time of the Chorus or Flanger voice. Ranges from 0 to 40 milliseconds. Delay Time Sets the delay time for the delay tap. Ranges from 0 to 300 milliseconds.
  • Page 42: Reverb

    These reflections can be placed anywhere in the stereo field and can be as dense or sparse as necessary. The Room Delay also includes a feedback loop for delay regeneration. RP21D User’s Guide Section Two - Editing Functions...
  • Page 43: Gated Reverb

    RP21D User’s Guide Section Two - Editing Functions Reverb Real life reverberation is the result of sound reflecting off surfaces in a room or hall. It can best be described as millions of small echoes that decay over a period of time. The size of the room, the surface type of the walls, or the carpet on the floor all contribute to the way real reverberation behaves and sounds.
  • Page 44 SIZE and REFLCT Parameters. Larger SIZE and REFLCT settings will allow longer reverb decay times while smaller settings reduce the length of the reverb decays but produce better small environment emulations. Ranges from .26 to 11 seconds. RP21D User’s Guide Section Two - Editing Functions...
  • Page 45: Detuners

    RP21D User’s Guide Section Two - Editing Functions Prim & Secd Size Changes the relative room size of the Primary and Secondary reverb stages. Ranges from 1 to 5. Prim & Secd Reflct Controls the simulation of energy loss of sound each time it is reflected. Hard, smooth materials like glass and wood have more reflectivity that softer, more porous materials.
  • Page 46: Pitch Shifters And Harmony

    (e.g. a basic Cmaj chord sounds like a Cmaj9 chord, or Cmin7 becomes a Cmin11 chord). Lead lines sound amazing when using major 5th intervals up. RP21D User’s Guide Section Two - Editing Functions...
  • Page 47 RP21D User’s Guide Section Two - Editing Functions Pitch Shifters Parameters Note: not all of the parameters listed below are available in all Pitch Shifter modules. FX: Lvl Controls the signal input level fed to the Module. Ranges from Off to 100%.
  • Page 48: Whammy Effects

    The Auto Wah utilizes a sensitivity detector that reads the input signal, then simulates the action of a wah pedal. RP21D User’s Guide Section Two - Editing Functions...
  • Page 49: Equalizers

    Equalizers The RP21D has a broad selection of equalizer Modules to cover virtually any need. If you need bigger Guitar tone, the EQs will give it to you. Both mono and stereo modules are available. Remember that mono equalizers connected to stereo sources will always sum the stereo signal together for equalization (thus eliminating the stereo image).
  • Page 50: 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.
  • Page 51: Master Mix

    RP21D User’s Guide Section Two - Editing Functions Master Mix The Master Mix is found at the end of editing your Digital Effects. After you have edited the last Digital Effect module in your configuration, press the Effects button again. The Display will look something like this: The Display is now telling you four things about the Master Mix.
  • Page 52: Storing/Copying Programs

    Any time that you make a change to a Program, the store button will light indicating that in order to retain the changes, you have to store your changes to a Program. If you switch Programs, or turn the power off to the RP21D without storing your changes, the RP21D will revert to the last stored version of that Program erasing all the changes that you had made.
  • Page 53: Section Three - Advanced Topics

    19 different Banks contained in the RP21D. Each Bank can have completely different functions assigned to each of the 10 numbered footswitches. In addition, by pressing and holding the Bank Up switch you can bypass all effects in the RP21D. By pressing and holding the Bank Down switch, you can access the tuner.
  • Page 54: Expression Pedal Assignments

    2. If you don’t want to reassign the function of the Footswitch, select no by pressing the number 4 button. If no selection is made within 3 seconds, the RP21D will assume you did not want to reassign the footswitch and return to the previous menu.
  • Page 55: Assigning The Wah

    RP21D User’s Guide Section Three - Advanced Topics Assigning the Wah As you can see, assigning the Expression Pedal to control a parameter is a very simple process. The most common mistake made when assigning the expression pedal is failing to access the specific parameter before pressing the Assign button. If for instance you want to assign the pedal to control the Wah, Step number 1 listed above is to press the Preamp button until you have accessed the Wah effect module.
  • Page 56: Modifiers

    A MIDI CC can be anything from an external expression pedal to the mod wheel of a MIDI synthesizer. A value will be transmitted on a specific MIDI CC number (between 1 and 127 and channel pressure). Any parameter within the RP21D that has been assigned to that same MIDI CC number will change its value as the MIDI CC changes value.
  • Page 57: Viewing, Changing, Or Deleting Assignments

    Section Three - Advanced Topics 4. The Display is telling you that the RP21D is ready to link the FX Level but that the link is turned off. Rotate the Data Wheel to turn the link on. The Display now looks something like this: The Display is now telling you four things about the current assignment.
  • Page 58: Tuner

    Tuner The RP21D includes a chromatic Tuner with an adjust able tuning reference, and drop tunings. Access to the Tuner is accomplished by pressing and holding the Bank Down Switch. Once in the Tuner mode, the Display will look something like this: The Display is now telling you four things about the Tuner.
  • Page 59: Section Four - Utilities

    1. Press the Utility button and then press either the Next or Previous Page buttons until you reach page 1 of the Utilities. The display reads: 2. Pressing the number two button will access the Output parameter. You can then turn the Data Wheel to set your RP21D’s output to either a Stereo or Mono signal.
  • Page 60: Program Receive Map

    3. The number four icon is indicating that you must press the number four button in order to access the RP21D Program that the MIDI Program will call up. You can then rotate the Data Wheel to select one of the RP21D’s 256 Programs that you wish to be called up when the RP21D receives the MIDI Program shown next to the number three icon.
  • Page 61: Sysex Channel And Midi Merge

    3. The number three icon is indicating that you must press the number three button in order to access the outgoing MIDI Program number. You can then rotate the Data Wheel to select MIDI Program 1 through 128 that you want to send from the RP21D when you select the Program shown next to the number four icon.
  • Page 62: Program Dump

    2. The number three icon is indicating that you must press the number three button in order to access the Bulk Dump function. You can then rotate the Data Wheel to initiate the Bulk Dump. You must have the MIDI out of the RP21D connected to a MIDI recorder and the MIDI recorder must be set to record before initiating the dump.
  • Page 63: Assigning A Midi Cc To Pedals

    This function allows you to send MIDI Continuous Controller (CC) information out the MIDI port while the footswitch still maintains its ability to control a parameter within the RP21D. When assigned to a footswitch, the switch will toggle between CC values 0 or 127. CC numbers 0 through 127 are available.
  • Page 64: Bank Names

    Volume Pedal Update The RP21D has the ability to update the position of the expression controller pedal when it is assigned to Volume within any program. This means that the volume pedals position will correspond to the volume setting after changing the ProgramTo enable this feature, the procedure is as follows: 1.
  • Page 65: Recalibrating The Expression Pedal

    Recalibrating the Expression Pedal Occasionally, you will need to recalibrate the Expression Pedal on the RP21D. This will be indicated when the Expression Pedal does not adjust its assigned parameter to the full minimum and maximum programmed values. You will also have to recalibrate the pedal after performing a Factory Reset procedure.
  • Page 66: Section Five - Appendix

    Section Five - Appendix RP21D Factory Program List Showcase Dry Saturated Tube Series Chorus/Detune Warm Sweet Solo Phaser in Space Power Wah Signature Cliff Notes of Dover Run Like Heck Big Band Rockabilly Live Strikes Angus in the House Pseudo Seamless...
  • Page 67: Specifications

    RP21D User’s Guide Section Five - Appendix Specifications Input Section Connector: 1/4” Unbalanced Nominal Value: -8 dBu Maximum Level: +10 dBu Impedance: 470 ohms Output Section Connector: (2) 1/4” TRS Impedance Balanced Nominal Level: +4 dBu Maximum Level: +18 dBu...
  • Page 68: Midi Implementation Chart

    2* For Preset map 1-128 (Preset Change can be mapped to Factory Mode 1 : OMNI ON, POLY Mode 2 : OMNI ON, MONO Mode 3 : OMNI OFF, POLY Mode 4 : OMNI OFF, MONO RP21D User’s Guide Transmitted Recognized 1-16 Mode 2, Mode 4 Mode 2, Mode 4 assignment tables are stored in memory.
  • Page 69 Fax 801-568-7642 DigiTech, RP21D, and S-DISC are trademarks of the Harman Music Group Incorporated Copyright 1999 the Harman Music Group Incorporated Printed in USA 3/99 Manufactured in the USA RP21D 18-6319 Please Visit DigiTech on the World Wide Web at http://www.digitech.com...

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