Mad Professor Snow White Auto Wah PCB Pedal

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£199.99

Here at GPAS we believe Mad Professor are setting the standard in the Guitar FX category. If you are considering the Mad Professor Snow White Auto Wah PCB Pedal, it is currently in stock in the UK at an excellent online price. Products are delivered quickly across the UK, Europe and beyond, so you can shop with confidence wherever you are. The SNOW WHITE AUTOWAH (SWAW) circuit is based on a 1991 BJF rack mount remote wah circuit and is tuned like a real wah.The circuit was redesigned with envelope controls and built into small size pedal.It has very fast…

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Here at GPAS we believe Mad Professor are setting the standard in the Guitar FX category. If you are considering the Mad Professor Snow White Auto Wah PCB Pedal, it is currently in stock in the UK at an excellent online price. Products are delivered quickly across the UK, Europe and beyond, so you can shop with confidence wherever you are.

The SNOW WHITE AUTOWAH (SWAW) circuit is based on a 1991 BJF rack mount remote wah circuit and is tuned like a real wah.

The circuit was redesigned with envelope controls and built into small size pedal.

It has very fast tracking and accuracy rarely found on auto wahs/ envelope filters. With the four knobs you can have total control of the effect.

SWAW works both with guitar and bass and you can fine-tune the pedal to suit your instru-ment, your playing style and your taste of tone.

The pedal has a unique decay control for the filter frequency fall speed. You can set it to be fast for wah effects on every note, or slower for a more traditional auto wah sound.

Controls

  • SENSITIVITY: Sets the filter trigger level, tune this carefully to fit your guitar/bass output and your playing touch. You can further change the sensitivity from your guitar volume knob while playing.
  • BIAS: Controls the filter resonance frequency. When Sensitivity is turned fully off the Bias can be used as a sweepable filter.
  • RESONANCE: Controls the sharpness or Q-factor of the filter.
  • DECAY: Controls how fast the filter frequency falls back to resting point (that is set with the Bias control). This can be set fast (CW) so you get the wah effect on every note or slow for a more traditional auto wah sound.
  • PLAYING: Please take time to get used to the controls and as this is a voltage control filter it will react to your playing touch. The envelope control circuit is carefully designed to follow the dynamics of guitar/bass and it might take some time to master the Auto Wah playing technics. Try also adjusting guitar volume between 8 and 10 to further expand use.

Specifications

  • Supply voltage: 9VDC
  • Current consumption at 9VDC: 15mA
  • Input inpedance: 500K
  • Output impedance: 1K
  • Max input -20dBV
  • Complete bypass (true bypass)

Guitar FX

Guitar FX (effects) refer to the wide range of pedals and processors that shape and manipulate a guitar’s signal to create different sounds. From classic distortion and overdrive to reverb, delay, modulation, and pitch-shifting, effects are at the heart of a guitarist’s creative toolkit. Whether analogue or digital, stompbox or multi-effects unit, Guitar FX allow players to express mood, texture, and dynamics in unique ways. Used thoughtfully, they can transform a simple riff into something atmospheric, aggressive, or entirely otherworldly.

pedal

A pedal is a compact device that guitarists use to alter their instrument’s sound by shaping effects such as distortion, delay, reverb, and modulation. Typically housed in a rugged enclosure and controlled by footswitches, pedals are designed to be placed on the floor for hands-free operation during playing. They can be analogue or digital, true bypass or buffered, and come in countless varieties to suit different styles and preferences. Pedals are essential tools for creating signature tones and adding colour and texture to a guitarist’s sound.

Wah

Few effects are as iconic or expressive as the wah pedal. From funky rhythmic sweeps to screaming lead lines, a wah lets you shape your tone in real time with vocal-like precision. Whether you’re chasing the classic cry of Hendrix and Clapton, or experimenting with modern filter effects, our range of wah pedals delivers that signature “wah-wah” sweep with style. From vintage-voiced classics to adjustable modern units with Q control and true bypass, this is where feel meets tone.

White

A white guitar is a timeless classic—clean, elegant, and effortlessly cool. Its simplicity gives it a kind of quiet confidence, standing out on stage without being over the top. Whether it’s a glossy arctic white, creamy vintage tone, or a pearlescent finish, white suits almost any genre and style. It also pairs beautifully with contrasting hardware, like black pickups or gold accents, making it a favourite among players who want something versatile yet striking.

About Mad Professor

We have new and used Mad Professor musical equipment available on our website for fast direct delivery from sellers across the UK & Europe.

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