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. This control can be thought of as determining the “liveness” of the room. Ranges from 1 to 10.

Note: The following Delay Parameters that are utilized within the Reverb section are to be used in the Room Echo reverb module.

Delay A

Sets the length of time before hearing Delay Group A. Ranges from 0 to 120 milliseconds.

Delay B

Sets the length of time before hearing Delay Group A and Delay Group B. Ranges from 0 to 120 milliseconds.

Delay C

Sets the length of time before hearing Delay Group B and Delay Group C. Ranges from 0 to 120 milliseconds.

Delay D

Sets the length of time before hearing Delay Group C and Delay Group D. Ranges from 0 to 120 milliseconds.

Out A - D

Controls the output level of the Delay Groups. Ranges from Off to 100%.

Bal A - D

Controls the left/right balance of the Delay Groups. Ranges from -99 to 99.

Shape

Selects the shape of the output levels for the delay group taps. Shape selections are: Flat, Peak, Decreasing,

 

Increasing, Shelf, and Reverse Shelf.

Spread

Controls the width of the effect’s stereo imaging. Ranges from 1 to 10.

FB: Dly

Sets the amount of time before the delay is fed back in. Ranges from 0 to 170 ms.

Amount

Sets how much delay is fed back into the signal. Ranges from Off to 50%.

Out L - R

Adjusts the overall level of the left/right side of the reverb. Ranges from Off to 100%.

Prim Out L

Adjusts the overall level of the left side of the Primary reverb. Ranges from Off to 100%.

Prim Out R

Adjusts the overall level of the right side of the Primary reverb. Ranges from Off to 100%.

Secd Out L

Adjusts the overall level of left side of the Secondary reverb. Ranges from Off to 100%.

Secd Out R

Adjusts the overall level of the right side of the Secondary reverb. Ranges from Off to 100%.

Detuners

The detuner effect does exactly what its name implies; it detunes a sound (moves it out of tune) and allows you to add it to the original sound. The result can be almost chorus-like, but it doesn't move like the chorus effect does. This actually makes the detuner more transparent and not quite as thick as the chorus effect, which in many applications is a good thing (since effects can quickly pile up and clog up great sounding audio).

When do I use a detuner? The detuner falls into the same guidelines as the chorus effect. It works with just about everything; It is ideal for thickening up a rhythm guitar track. Remember to experiment with the delay parameters if you are looking for a wider detuning sound. Adding 30-60 ms of delay to the detuner's voices that are panned hard to one side (while not delaying the other side) will change the detuner's stereo imaging greatly.

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DigiTech RP21D manual Detuners, Delay C, Delay D, Increasing, Shelf, and Reverse Shelf
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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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