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Product Description


Caline CP507 Mariana Modulated Reverb Guitar Effect Pedal

The Mariana Trench is the deepest part of the Pacific Ocean – a world that has yet to be explored and of which we know little about – less than we know about outer space. The Mariana crams 7 ‘out of this world’ modulated reverbs into one compact pedal offering amazing value for money and endless potential.

With three independent controls affecting each of the seven presets, there is literally no end to the possibilities. An amazingly versatile tool to create sonic soundscapes the like of which you have only dreamed of.


  • The Abyss
    A deep cavernous reverb with a long decay and a subtle, slow modulation for epic soundscapes.

  • Hot Springs
    Spring reverb with hidden depths and a long decay.

  • The Bends
    Dark, haunting phase and vibrato effects especially when running into delay - sonic landscapes as dark as the sea at 10,000 fathoms!

  • Propeller
    A versatile organic sounding tremolo reverb that takes you from lightly pulsating to deeply throbbing tones.

  • The Deep
    A lush flanger and reverb combination for ambient swells and shimmering chords.

  • Mermaids
    Haunting and dissonant modulation designed to replicate the song of the mermaid: If you’re looking for something unique, unusual and striking, this is the sound for you!

  • The Kraken
    Drown in a pitch-shifting reverb with endless possibilities. The Kraken is hard to tame, but when dialled in it delivers endless joy.

The Tech Features

Brand: Caline

Model: CP507

Controls: A, B and C Knobs. Control individual parameters as shown on the pedal. Each setting creates different interactions with these three controls.

Bypass: True Bypass

Power Requirement: 9V DC center negative

Current consumption: 100mA

Enclosure: Aluminium Alloy

Product Dimensions: 11.2 x 6.4 x 3.4 cm / 4 ¹³/₃₂ x 2 ³³/₆₄ x 2 ³³/₆₄ in

Weight: 270g / 0.6 lbs


Bargain Bin

Reviews (2)

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Experimental Reverb galore

By: on 21 May 2022
For those venturing into pedals and chasing a perfect reverb without busting the bank, this is the pedal for you. Not only a normal reverb but can opt for everything else under the sun, pitch shifts, shimmering decay, phaser and trem/vibrato. What more could you want in a reverb pedal that costs under $100. Genuinely can spend hours just playing around with all the settings and tones you can get out of this bad boy.

Artist Guitars Response
Thank you so much for that awesome review! We truly appreciate it. If you need anything, please don't hesitate to contact us. Cheers!

Modulation to the Max

By: on 17 May 2022
This reverb is a strange beast. If you want lovely, clean sounding 'verb I'd look elsewhere. Not to say it's a bad pedal, it's just quite weird. It can be a bit finicky to dial in the sound you want but by golly does it sound nice. There's swell type verb, spring and octavy (But not a full octave up/down), verb, chorus and a warbly underwater sound. Uses the same chip as the EQD rainbow machine (FV1) and, with the right settings gets pretty close. Fantastic for ambient noodling, as soon as I chucked it on the board I spent an hour pretending to be in a post-rock band. If you're looking for some spice for your board I reckon this one's a cracker. Very happy, cheers!

Artist Guitars Response
Thank you so much for your wonderful feedback. We are so delighted to know you love the pedal. Please reach out if you have any questions, we're always happy to help.

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