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News › January 16, 2024

News

Walrus Audio unveils Silt Harmonic Fuzz with Hagerman

January 16, 2024 · 6 sources

Walrus Audio announced the Silt Harmonic Fuzz on January 16, 2024, a fuzz pedal made in collaboration with tube amp specialist Jim Hagerman of Hagerman Amplification12. The pedal carries a 12AU7 preamp tube mounted on the enclosure and a second footswitch for its harmonic mode1.

The Silt has controls for Volume, Tone and Gain, plus a Contour switch that selects between high-pass, flat and low-pass curves in the pre-tube EQ stage13. The harmonic footswitch engages what Walrus describes as a pre-drive frequency doubler, which the company says produces "crispy, octave-like sounds, lending a unique edge to your lead tones"1. Guitar Pedal X reports that Walrus recommends rolling back the guitar's Tone knob when using this mode4.

"The Silt's 12AU7 tube section drives the warm, bone-rattling fuzz. We unearthed this sonic fossil to encase your sound in an amber warmth, while still providing the grit, growl, and harmonically complex textures that only a tube-driven fuzz can provide."
Walrus Audio, via Pedal of the Day5

The pedal runs on 9V DC and draws about 300mA; at 12V it offers more gain13. Sources differ on the bypass circuit: Gearnews describes it as true bypass3, while Pedal of the Day cites a relay bypass circuit5. The jacks are top-mounted12. It comes in a red finish with skeleton artwork by Adam Forster or in black13.

SpecDetail
Tube12AU7 preamp tube1
ControlsVolume, Tone, Gain, Contour13
Contour modesHigh-pass, flat, low-pass1
FootswitchesBypass, Harmonic32
Power9V to 12V DC, about 300mA13
Price$299126

Sources disagree on the US price: MusicRadar, Guitar World and Guitar.com give $299126, while Guitar Pedal X lists $299.994. MusicRadar reports the Silt was a year in the making1.

Sources (6)
  1. NAMM 2024: “Explore a unique and wild sonic landscape”: Walrus Audio teams up with Hagerman Amplification for the tube-equipped Silt Harmonic fuzz | MusicRadar, musicradar.com
  2. “Explore a unique and wild sonic landscape”: Walrus Audio recruits tube expert Jim Hagerman for the Silt – a two-in-one harmonic fuzz pedal that has an actual preamp tube inside | Guitar World, guitarworld.com
  3. Walrus Audio Silt Harmonic Fuzz - Tube based circuit, gearnews.com
  4. Guitar Pedal X - GPX Blog - Walrus Audio collaborates with Tube expert Jim Hagerman for the 12AU7 powered Silt Harmonic Fuzz, guitarpedalx.com
  5. Walrus Audio Silt Harmonic Tube Fuzz - Pedal of the Day, pedal-of-the-day.com
  6. NAMM 2024: Walrus Audio unveils its two-in-one Silt harmonic fuzz pedal, designed in collaboration with tube maestro Jim Hagerman | Guitar.com, guitar.com