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Walrus Audio Silt Harmonic Fuzz Unearth a colossal new dimension of fuzz tone with the Walrus Audio Silt Harmonic Fuzz, an analog circuit masterpiece designed in collaboration with tube guru Jim Hagerman. This isn't just another dirt box; the Silt is built around the heart of a genuine 12AU7 pre-amp tube as its primary drive section. This core design choice provides a foundational warmth and bone-rattling grit that only a true tube circuit can deliver, wrapping your tone in a thick, amber glow while retaining the complex, musical textures that make fuzz so addictive.The Silt is a versatile 2-in-1 monster, capable of producing massive, rich fuzz tones perfect for power chords and chunky rhythm parts. Engage the unique Harmonic Mode switch, and you inject a frequency doubler-like effect before the tube drive section, unleashing crispy, octave-like overtones that lend a wild, unmistakable edge to your leads and solos. Further tone sculpting is provided by the Contour control, a 3-way pre-tube EQ stage that toggles between high-pass, flat, and low-pass curves, allowing you to fine-tune your fuzz to your pickups and amplifier with precision.Housed in a sturdy die-cast enclosure with striking artwork, the Walrus Audio Silt is a perfect blend of modern engineering and classic tube tone. Its ability to operate between 9V and 12V DC allows for an extra gain boost at the higher voltage, pushing the pedal's primal boundaries to deliver searing, harmonically complex tones. Whether you're chasing woolly rhythm or cutting, searing leads, the Silt will adapt and deliver with roaring precision.Highlights:12AU7 Pre-Amp Tube drive section provides organic warmth and complex harmonic grit.Harmonic Mode adds a switchable frequency doubler for crispy, octave-like overtones.Contour Control is a 3-way pre-tube EQ for precision tone sculpting (High-Pass, Flat, Low-Pass).Analog Circuit ensures a pure, harmonically rich fuzz experience.Operates at 9V–12V DC for variable gain, with 12V offering an extra boost.Specifications:Pedal Type: Tube FuzzAnalog/Digital: AnalogCircuitry: 12AU7 Tube Drive with Harmonic Frequency Doubler ModeControls: Volume, Tone, GainSwitches: Harmonic Mode switch, 3-way Contour switch (High-pass, Flat, Low-pass)Inputs: 1 x 1/4"Outputs: 1 x 1/4"Bypass Switching: Relay-based True BypassPower Source: 9V–12V DC power supply (sold separately)Current Draw: 300mA minimumHeight: 2.25" (including knobs)Width: 3.62"Depth: 4.79"Please feel free to reach out to our knowledgeable sales staff with any additional questions!