Fundamental Series Drive
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The Walrus Audio Fundamental Drive is a straightforward overdrive pedal from their Fundamental Series, designed for easy use whether you're new to pedals or a pro. It features a three-way mode switch that lets you toggle between Smooth, Crunch, and Bright settings, giving you a range of tones from warm breakup to more aggressive drive. It's meant to sit at the front of your pedal chain to shape your overall sound without overcomplicating things.
The controls are simple sliders: Gain adjusts the drive level from light grit to heavier saturation, Tone dials in the high-end cut for warmth or brightness, and Volume sets the output level. The three modes alter the character—Smooth for creamy overdrive, Crunch for mid-focused bite, and Bright for added clarity. It's all analog circuitry in a compact enclosure, keeping things reliable and pedalboard-friendly.
Specifications
Dimensions: 4.33 in x 2.16 in x 1.61 in
Power requirements: 9V DC (100mA minimum)
Bypass type: True bypass
Unique controls: Three sliders (Gain, Tone, Volume), three-way mode switch (Smooth, Crunch, Bright)
Condition
This item has been tested and is in good working condition. It does not come with original packaging. It has Velcro on the back. No power supply included.
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