Mad AutoWah Tones on Tap
Bring expressive, touch-sensitive funk tones to your pedalboard with the Mad Professor Snow White AutoWah (GB). Designed for both guitar and bass, this premium analog envelope filter delivers lightning-fast tracking, smooth vocal-style sweeps, and incredibly dynamic response that reacts naturally to your playing. Whether you’re chasing vintage funk rhythms, fusion leads, synth-like textures, or modern groove tones, the Snow White AutoWah offers studio-quality responsiveness in a compact pedalboard-friendly format.
Originally inspired by Björn Juhl’s legendary custom rack wah circuits, the Snow White AutoWah has become one of the most respected envelope filters available thanks to its musical feel, wide tonal range, and precise control layout. The updated GB version combines the original guitar and bass voicings into one versatile pedal, making it a standout choice for multi-instrumentalists and tone enthusiasts alike.
Fast, Musical Tracking With Incredible Sensitivity
Unlike many auto wah pedals that can feel uneven or sluggish, the Snow White AutoWah tracks your picking dynamics with exceptional speed and accuracy. Light picking produces subtle filter movement, while aggressive attack opens up expressive, vocal-like wah sweeps that cut through any mix.
The highly responsive Sensitivity control allows players to dial in the pedal’s reaction to different pickup outputs, playing styles, and instruments with ease.
Full Control Over Your Envelope Filter Tone
The Snow White AutoWah features an intuitive four-knob layout that gives players deep tonal shaping without becoming overly complicated.
Controls Include:
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Sensitivity – Adjusts how easily the filter responds to your playing dynamics
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Bias – Sets the filter’s resting frequency and overall tonal character
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Resonance – Controls the sharpness and intensity of the wah effect
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Decay – Determines how quickly the filter returns to its resting position
The unique Decay control is one of the pedal’s standout features, allowing everything from ultra-fast percussive funk quacks to slower, smoother vintage-style sweeps.
Optimized for Guitar and Bass
A dedicated Guitar/Bass switch instantly tailors the response and voicing for either instrument, making the Snow White AutoWah equally impressive for funky bass lines, articulate chord work, or expressive lead playing.
Its wide frequency response and natural feel also make it popular with synth players and experimental musicians looking for responsive analog filter textures.
Premium Analog Tone and True Bypass
Built around a fully analog signal path, the Snow White AutoWah preserves your instrument’s character while adding rich, musical filtering. True bypass switching ensures your dry tone remains untouched when the pedal is disengaged.
The compact enclosure and rugged construction make it ideal for both studio sessions and demanding live performances.
Features
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Premium analog auto wah/envelope filter pedal
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Fast and accurate tracking response
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Works with both guitar and bass
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Dedicated Guitar/Bass mode switch
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Highly dynamic and touch-sensitive feel
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Unique Decay control for customizable filter response
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True bypass switching
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Compact pedalboard-friendly design
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Designed from Björn Juhl’s acclaimed filter circuits
Technical Specifications
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Analog circuitry
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True bypass
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Controls: Sensitivity, Bias, Resonance, Decay
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Switch: Guitar/Bass mode
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Input Impedance: 500k Ohms
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Output Impedance: 1k Ohms
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Current Draw: 15mA
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Power Supply: 9V DC power supply or 9V battery
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Power Connection: 2.1mm center-negative
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Maximum Input: -20 dBV
Why Players Love the Snow White AutoWah
The Mad Professor Snow White AutoWah has earned a reputation among professional players for delivering expressive envelope filter tones that feel natural and inspiring under the fingers. Its fast response, broad tonal flexibility, and ability to work equally well with guitar and bass make it a favorite for funk, fusion, jam, rock, gospel, and experimental styles.
If you want a responsive, studio-quality auto wah pedal that goes far beyond basic envelope filtering, the Snow White AutoWah (GB) delivers premium analog performance with exceptional musicality.
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