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Reverb Plugin by Turn2on
Holyverb Info
Holyverb - fron panel view Holyverb Logotype
Holyverb by Turn2on is a Virtual Effect Audio Plugin for macOS and Windows. It functions as a Rack Extension Plugin.
System Requirements
Reason 9.2 and later
System Requirements
Reason 9.2 and later
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HOLYVERB is a modern effect processor for any kind of incoming audio signal that includes various combinations of modulation and signal change effects. Basically, a signal can be pitch-shifted up to ±2 octaves and then the device can add frequency changes via frequency-shifts.
The Reverb and Delay sections can be routed in Pre/Post positions. The Reverb includes a classical reverberation, but also includes an additional Reverb Increase block based on 3 reverb modes from the legendary EHX (TM) Holy Grail guitar FX pedal. You can apply basic reverb and mix it with this Increase mode which includes a Spring, Hall, or Flerb setting.

The Delay can be synced to the tempo grid or set to run free with lengths in seconds. Feedback settings include Ping-Pong pan, L/R Crossfade and Stereo modes. Feedback at 100% is useful as a loop setting.
The Device includes a Tone parameter to control damping of the Delay, but you can also activate a Filter mode (LP/HP) for this control as a Pre/Rev/Del/Post to add flexibility to effects routing. A built-in Limiter section helps to control the signal output.

The HOLYVERB Rack Extension includes a Modulation matrix on the back panel with 6 slots for both main and hidden parameters. You can use any kind of MIDI CC source for modulation of PB, MW and other parameters to utilize HOLYVERB as a live performance device. For example, you can play any instrument that is connected to HOLYVERB while controlling parameters such as PB, MW or expression at the same time via the modulation matrix. This is a very useful feature for use in live performance.

The HOLYVERB Rack Extension is a modern multi-FX effects device with advanced features and flexible possibilities. It allows for a lot of variations for modifying your audio signal, resulting in a unique sound from any kind of source signal.

Product details.


How about applying Frequency and Pitch shifting of your audio signal before sending it into a Reverb-Delay effect? This feature helps to modify the basic signal before you work with the Delay or Reverb.

FX processing in HOLYVERB starts with the PITCH Shifter.

The Pitch of the audio signal can be shifted up to ±2 octaves (±24 semi) with Coarse control and +1 octave (+12 semi) with Fine control. Your sound can be de-tuned, or changed up or down in up to 2 octaves. With global BLEND control, you can mix the original signal with the pitch-shifted signal.

The Pitch-shifted signal is then routed to the FREQUENCY Shifter. The Freq shifter shifts all frequency content by the same amount, thus altering the frequency relationships. For example, if the 100 Hz tone goes up to 200 Hz, the 200Hz tone goes up to 300 Hz.


The First Main section of the device is the REVERB section that includes some functional blocks.

MAIN REVERB SECTION: Controls the Level of Reverb and the Size of reverb, with additional section for Cut-filtering of High and Low freqs, Cut and High Damping.

INCREASE REVERB SECTION: Select one of 3 modes of reverberation (Spring, Hall and Flerb) from the original EHX (TM) Holy Grail guitar FX pedal. The Amount control helps to additionally increase the basic reverberation-processed signal. If you select NONE, setting the amount to 100% moves the signal to silence and setting it to 0% disables the Increase section.

DECAY REVERB SECTION: The Decay control modulates a resonance decay time to the signal. You can hear an additional length of signal that can be resonated at long lengths.


The second Main section of the device is the DELAY section that includes some functional elements.

Control the Level of Delay and the Length of Delay with Sync selection (Delay length in Seconds or Tempo-Synced beats). Feedback control with Loop at 100% position. Selectable Delay Modes: Ping-Pong Pan, Crossfade L/R and Stereo mode. Delay Balance control changes the L/R channel positions of the selected Delay Mode.


With the Routing scheme selector you can set Pre/Post positions for Reverb and Delay. The Tone Knob controls damping of the delay-processed signal.

The Filter Type selector allows you to choose where the Tone control is applied in the signal chain. The Filter selection works in LP/BP modes with routing as Off/Pre/Reverb/Delay/Post. Input - controls the level of the unprocessed signal, Gain - controls the level of the processed signal (up to +12dB).

Limiter - safety limiter to keep levels within a fixed 0 dBFS. Helps to limit the signal from clipping, saturation. Blend - works as a Dry/Wet control for unprocessed / processed signals. Matrix modulation - includes 6 slots with as signable controllers from MIDI CC source to main and hidden elements of the device.

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Reason 9.2 or later.

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