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Meris Enzo

Guitar Synthesis & Effects Pedal
By Paul White

Meris Enzo

Offering polyphonic pitch tracking without needing a special pickup, this versatile pedal lets guitarists enter the world of synthesis.

It's difficult to put the Meris Enzo pedal into a specific category, because it combines aspects of a guitar synth with those of an effects pedal. It's obviously intended primarily for use with guitars — and it offers both mono and polyphonic guitar-synth modes — but its filter, pitch‑shift and effects sections can also be brought to bear on other instruments, including drum machines. The stompbox-format housing sports just six knobs and two footswitches, but thanks to an Alt button that provides each control with a second function, the effects that it creates are very tweakable. Power comes from an included 9V PSU and, in addition to a mono input and stereo outputs, there's a further TRS jack for external control. All the processing is digital, with 24‑bit, 48kHz A‑D/D‑A conversion, but the dry signal is kept in the analogue domain.

The synth section can be set to produce square or sawtooth waves, and the filter has numerous modes that I'll get onto shortly. The filter has its own envelope control, and there's a choice of several filter types. The synth sound can also sustain after the guitar input falls silent, though there's no dedicated amplitude envelope control. However, the output can be made to follow the input signal envelope. Other functions include pitch‑shift, oscillator detuning, ring modulator, arpeggiator and delay. Enzo's ring modulation provides carrier-frequency adjustment via an Alt function, with the facility to modulate it via the filter envelope. The modulation oscillator goes from the audio range all the...

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Published January 2019