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    Moog Mavis Semi-Modular Analog Synthesizer Kit

    6 In Stock

    Mavis is a build-it-yourself analog synthesizer kit that delivers the huge depth of sound Moog is known for in a compact and feature-packed instrument. Assembly is extremely simple; users of any skill level can quickly assemble their own analog synthesizer with minimal tools and experience. Perfect for first-time users and established synthesists alike, Mavis’ semi-modular design and 1-octave keyboard will get you started making sound immediately without the need for additional equipment (except for a speaker or headphones).

    As a stand-alone instrument, Mavis is a straightforward analog synthesizer with patchable modular utilities and unmistakable Moog sound and quality. Easily remove Mavis from its case and it becomes a 24-point CV controllable module (44hp) ready to be installed into your Eurorack system or alongside Moog’s other semi-modular instruments.
    Mixing the familiar with the exotic, Mavis features Moog’s legendary oscillator and filter circuits alongside a diode wavefolder – the first analog wavefolder to appear on a Moog instrument. Combining traditional subtractive synthesis with additive wave folding and oozing with personality, Mavis’ clever presentation of synthesis modules and utilities ensures deep creative synergy and musical connection.  

    Mavis is a powerful, fun, and low-cost Moog that makes learning synthesis or expanding an already-advanced studio setup approachable for anyone looking to explore classic analog sound in a new way.


    Built-in keyboard with Glide and KB scaling

    As a standalone instrument or as a 44HP Eurorack module, Mavis adds an expressive 1 v/o controller to any setup with the flexibility to dial in experimental new pitch relationships via the KB scale knob and explore musical intervals that go beyond the established standards.  

    Full Range Analog Oscillator 
    A Voltage Controllable Oscillator with PWM (Pulse Width Modulation), Waveform mixing, and Mod Source mixing, delivers rich harmonic character and motion. 
    Voltage Controlled Filter 
    Sculpt your sound with the -24-dB Moog Low Pass Ladder Filter, delivering the sonic power behind the distinct sounds of Moog basslines and leads. 
    Audio Rate LFO and 4-Stage Envelope Generator 

    Mavis uses crossfaders in its modulation routing instead of switches, allowing you to blend between a variable shape LFO and four-stage envelope generators for interesting and unusual modulation contours. 
    Wavefolding and Modular Utilities  
    Mavis features Moog’s first-ever wave folding circuit, allowing for additive synthesis to sit alongside traditional subtractive synthesis, and features a broad modular utility section complete with attenuators, offsets, mults, and a flexible DC-coupled mixer. 
    Patchable Sample and Hold (S+H) circuit
    Generates a random CV pattern that can be patched to modulate other parameters, including setting Mavis into a "random sequencing" mode of performance. 
    24-Point Patch Bay 
    Mavis is eager to play along with other voltage-controlled devices (especially with Moog’s other semi-modular instruments), and its useful collection of utilities and flexible control voltage routing allows for intricate dialogue between them.

    Protective Cover
    Mavis includes a fitted protective cover for use during studio downtime or taking your instrument on the go.


    • Operate standalone or as a 44hp Eurorack module

    • Analog Voltage Controlled Oscillator (Mixable Saw/Square) 

    • Analog –24dB Moog Low Pass Ladder Filter 

    • 4-stage Analog EG (Envelope Generator) 

    • Diode Wavefolder 

    • Analog LFO (Mixable Triangle / Square) 

    • Pulse Width Modulation 

    • Modular Utilities (Attenuators, Offsets, Mults, and a flexible DC-Coupled Mixer)  

    • Sample & Hold 

    • Analog Voltage Controlled Amplifier 

    • 24-Point Patch Bay (3.5 mm) 

    • 1 Octave Keyboard w/ Glide and Scaling

    • Protective Cover Included 

    • Patch Cables Included 

    • 3.5mm Output