
Meris Mercury7 Algorithmic DSP Reverb Pedal
Meris Mercury7 Algorithmic DSP Reverb Pedal, 24 bit A/D and D/A, Algorithmic Reverbs, Stereo Input and Output
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Meris - 'Mercury 7' - Reverb Pedal

A 'deep and capable' reverb machine
When designing the Mercury7 Reverb pedal, the guys at Meris took inspiration from the lauded ‘Lexicon 224’, a reverb unit which won acclaim after it’s use on the movie ‘Blade Runner’. The Mercury 7 is a mammoth algorithmic DSP reverb. For a time, it was only available as a mono rack module, but now Meris have given new life to the Mercury7 in a new stereo pedal format.
In its new compact, pedal form, it’d be easy to just use the Mercury7 as a conventional every-day reverb pedal, however that’d be more akin to using a top of the range iPad solely for it’s clock. The Mercury 7 is an intelligent, rich and magnificently versatile reverb powerhouse.
Explore Space
The Mercury7’s top panel gives an indication at its power and capabilities, however credit must be given to Meris for it’s control layout which is not in any way intimidating unlike other high-end DSP reverbs and encourages user experimentation. Featuring 6 main knobs for ‘space delay’, ‘modulate’, ‘low frequency’, ‘pitch vector’ and ‘high frequency’, and 2 smaller buttons for ‘alt function’ and a selector for ‘ultraplate’ or ‘cathedra’, which is the unit’s two reverb algorithms.

one small step for man... At the centre of the controls is the ‘Pitch vector’, with individual settings for off, octave down, slight pitch down, slight pitch up, 5th up and shimmer. If the ‘alt’ control is pressed, whilst you move the pitch vector knob, you’ll glide through how much of the pitch vector is present, and in this mode you’re able to make clear adjustments in the balance which can make pitch effects more bold, less natural sounding and actually more akin to a tool intended for movie sound design, such is the sheer scale of opportunity with this incredible machine.

...one giant leap for your sonic potential Although indeed it’s control lay out differs slightly from the 500-series incarnation, the controls themselves are almost identical, minus the addition of ‘Bypass’ and ‘Swell’ footswitches and the means of accessing the presets and MIDI functionalities. In’s and out’s are on the rear panel as you might expect, with options for mono/stereo, and an extra TRS jack to allow connection of an expression pedal which can be used to take complete control of each parameter.
Guitarist’s with a passion for layering their music with wide, rich textures are going to fall head over heels for the Mercury7. It’s appeal will extend far beyond guitarists however, and anyone involved in sound design/sculpting is going to be want to take a look at this. With a mind-bending arsenal of atmospheric, sometimes ethereal sounds that will literally transform your guitar into a completely different instrument, the Mercury7 is a premier reverb pedal.
Controlling the Mercury7

Space Decay
Sets decay energy of the reverberation space.
Alt Function: Predelay Sets amount of time that elapses before the onset of reverberation.

Modulate
Sets overall modulation depth of the reverb algorithm.
Alt Function: Mod Speed Sets dominant modulation speed of the reverb algorithm.

Mix
Adjusts Mix of Dry and Wet signals in analog domain.
Alt Function: Pitch Vector Mix Adjusts mix between intra-tank pitch shifted reflections and normal reflections inside the reverb tank.

Lo Frequency
Changes how low frequencies react in the reverb algorithm. When set closer to max, low frequency decay times are extended giving the impression of a larger room.
Alt Function: Density Sets amount of initial build up of echoes before the reverb tank.

Pitch Vector
Sets intra tank pitch interval to: Octave down, slight pitch up, slight pitch down, 5th up, or octave up. Decay, Pitch Vector Mix & Hi/Lo Freq controls all interact to sculpt the intra-tank pitch regeneration.
Alt Function: Attack Time Sets the attack time for the swell envelope.

Hi Frequency
Changes how high frequencies react in the reverb algorithm and alters the high frequency absorbtion of the reverb space. Set lower to reduce the amount of time high frequencies live in the algorithm for a more natural room reverb.
Alt Function: Vibrato Depth Adds vibrato to the reverb input for lush, haunting trails.

Algorithm Select Switch
Switch LED indicates Bypass status. Small LEDs indicate active algorithm.
ULTRAPLATE: Inspiring & lush plate with a fast build.
CATHEDRA: Massive & ethereal algo with a slow build.

Swell Press to engage the auto swell function. Hold to maximize Space Decay sustain.
A Visual Overview of the Mercury7
The Mercury7 is more than a reverb stompbox. It’s a seriously potent musical instrument that rewards the player for deep experimentation, that can open up vast swathes of space and textures. Click below to see for yourself just what this can do!

The Tech Spec
Features | Specification |
---|---|
Digital/Analogue | Digital |
Power Source | PSU |
Stereo | Yes |
True Bypass | Switchable |
Midi Enabled | Yes |
Tap Tempo | Yes |
Voltage | 9V |