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  • Special Order

    Fairfield Circuitry Shallow Water K-Field Modulator FX Pedal

    *This is a Special Order item that we order quickly and directly from our suppliers after your purchase and ship to you within 4-10 days.*

    The Shallow Water K-Field Modulator pedal is like nothing else, truly!  It's one of those rare and unique pedals that comes along that's just different to everything else.  It's like a chorus, flanger and phaser wrapped up in vibrato, with LoFi tape capabilities ... yet somehow none of those things at the same time!

    But my god it's such as usable thing! You just have to try it for yourself.


    The Details
    • Special Order Item
    • Expected to ship within 4-10 days
    • Effect: Modulation
    • Made In Canada
    • Chorus, flanger, phaser and vibrato capabilities
    • All analog
    • Signature stamped bare enclosure
    • Built with top quality components
    • True bypass
    • Current draw 85 mA max.
    • 2 years manufacturers warranty
    • 9-9.6 VDC centre negative
    • Protected against reversed polarity and overvoltage conditions
    • No battery connection inside the pedal


    • Free UK shipping from orders of £200 or more
    • Orders despatched within 1-2 working days
    • Always tracked worldwide shipping
    • Plastic free packaging as standard


    30 day peace of mind return policy, but please read our terms and conditions, returns and refunds policy before placing an order. 

    What Do Fairfield Circuitry Say?

    Shallow Water’s essence could be characterized as uncertain, subtle and nostalgic.

    Practically, this describes an effect built around your typical analogue chorus/vibrato circuit wherein the signal is delayed by a few dozen milliseconds using a bucket brigade device. Another signal then modulates this delay time to create changes in pitch, called vibrato. Chorus is achieved by mixing the original signal with the delayed signal, creating the moving comb filters that tickle our ears and feather our bangs.

    Still, major differences can be noticed when studying the k-field modulator’s architecture. The most striking are how the delay time is modulated in a random fashion and how the recovery filter moves in relation to the input signal. Both these differences place Shallow Water in a category of its own, appropriately called k-field modulators.

    As the present gets lost, the future becomes the past.


    The RATE control adjusts the time intervals at which the random pitch fluctuations occur. From rare to
    nervous, the range is quite wide. At high RATE and DAMP settings, the quick variations have trouble passing through the swampy filter and integrator, effectively reducing perceived modulation. This is normal. The interaction between these two knobs is particular and needs to be tamed through experimentation.

    The DAMP control affects the slope of the modulating signal. At its minimum, the pitch modulations are quick and sudden; the random changes in modulation voltage are almost instantaneous. Increasing DAMP will elongate and soften the modulation. At high DAMP settings, the changes become so slow that they are not heard as pitch modulations. To hear the changes, some dry mix needs to be applied. Then, the slow movement of the delay time can be heard as chorus.

    The DEPTH knob adjusts the intensity of the modulation. The interaction between all three modulation controls is noticeable. The range of modulation is focused towards subtle variations. Adjust to taste, though less is more.