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Keeley Vibe-O-Verb Ambient Reverb Pedal with Modulation


The Robert Keeley Vibe-O-Verb is a diverse pedal design, combining both reverb and modulation effects in a single unit.

With a sparkly, spacey reverb as its base sound, this pedal works great for country or rockabilly. The Vibe-O-Verb is also versatile enough for you to achieve larger ambient sounds, thanks to its broad amount of reverb. This can be affected by 3 types of modulation (Harmonic, Vibrato and Phaser) via it’s simple 3-way toggle switch. Deciding how much reverb you’d prefer is easy thanks to the ‘blend’ control, which you can tame using the ‘decay’.

It's '2 pedals in 1' design means that precious space can be saved on your pedalboard.

Musical Reverb

Deriving from the Fibonacci series, the Vibe-O-Verb provides you with a bright and musical reverb. This will allow you to cut through in a mix, yet retains a full and genuine sound.

3 Types of Modulation

The 'Harmonic' reverb mode offers a tremolo effect, similar to that on a vintage Brownface amp or Keeley’s own DynaTrem pedal. This mixture of tremolo and reverb can give you some amazing old-school surf rock sounds, if riding waves is your thing.

The 'Vibrato' mode provides you with some amazing psychedelic tones, from a slow watery chorus to pure modulated madness!

The 'Phaser' mode is the most subtle of the 3, providing some gentle movement around notes to spice up your guitar sound.

The 3 modulation types affect the reverb trails only, giving you a unique range of sounds.

Here’s what Keeley have to say about the Vibe-O-Verb:

This is a reverberation machine…. Lost reverbs that never were.

The atmospheres are Vibey, have Vibratoneness, and are Phasery….

This three mode reverb lets you hear what some of the most classic effects sound like on just the reverb. Allowing you to create new sounds and textures like never before.


All of the Delay Space in our reverb engine for the pedal are in the Fibonacci series.  What does this mean for you?  You’ll probably make more money, look better (see golden ratio below) and find true happiness.  What does this mean for us?  A secret pleasure in defining a reverb that is unique and possibly more musical.  Since great works of art like Debussy’s La Mer have been crafted by using the Golden Ratio, why not create lengths of time defined by such ratios?   0, 1, 1, 2, 3, 5, 8, 13, 21, 34

Harmonic Reverb

This mode is like a vintage Brownface Amp or our DynaTrem, Harmonic Tremolo on the reverb.  Imagine choppy waves of tremolo on your verb!  All with the a delicious hint of Vibe!  Dynamic Dimension Canyons?!

Vibrato Reverb

Pitch Bending Reverberation Machine.  From mild chorus to spacey bayou tones!  Too grande to call our modulated chorus, this is one for modern psychedelics.  For this one you have to imagine maybe both the source and the reflective wall moving!  Maybe even accelerating with respect to each other.  Why didn’t we call this one the General Theory Of Reverberation?


Phaser Modulated Reverb.  Maybe the most mild but in a way that lets you appreciate some of the space around notes.  This notch filter in your reverb space gives the illusion of the reflecting wall morphing from carpet to wood, then to steel and then glass.  Round and round.  Get the idea?  Dynamic reflections in an all new space.

Enjoy these “Lost Reverbs” Vibe-O-Verb, reverbs that never were….until now.

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