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Walrus Audio SILT Harmonic Tube Fuzz Pedal - Black

Fuzz Effects Pedal with Vacuum Tube, Harmonic Mode, Tone and Gain Controls, Contour Switch, and True Bypass Switching - Black

A Tube-driven Sonic Fossil

Walrus Audio is no stranger to the forefront of inspiring pedal design, and Sweetwater has to hand it to the company for its work on the SILT Harmonic Fuzz pedal! The SILT is a collaboration between renowned tube expert Jim Hagerman and Walrus Audio — together, they’re rocking the hearts and minds of guitarists with an analog fuzz pedal that’s been overtaken by the warmth and harmonic complexity of its 12AU7 vacuum tube. This monster tube fuzz offers 2-in-1 operation, providing you with both a fuzz and a harmonic frequency doubler to create massive fuzz tones or add unique harmonic overtones. Add this sonic discovery to your pedalboard and exhibit your own harmonically rich fuzz tones to the world.

The 12AU7 fossil at the center

It’s not every day we see fuzz pedals with tubes in them, and we were enthralled to learn just how Walrus Audio created this unique pedal. The star of this SILT show is the 12AU7 tube drive devised by Jim Hagerman and Walrus Audio. Thanks to the tube’s input in the signal chain, the pedal benefits from warm, bone-rattling fuzz that’s incredibly addictive. This sonic fossil adds a unique charm to the SILT while keeping the grit, growl, and harmonic complexity top-notch — only a tube-driven fuzz can get you this tone!

Dig deep into the SILT’s harmonic layers

The SILT isn’t a one-trick fossil. On the contrary, the pedal opens up further tonal layers through its Harmonic Mode. Switch on the Harmonic Mode to get a taste of frequency doubler-type pedal action that sits before the drive section. Try these crispy, octave-like sounds on your lead tones with your guitar’s tone knob rolled off!

More beneath the surface

When it’s time to adjust your fuzz tone, you can take advantage of the Contour control to achieve precise tone sculpting. The three modes of the contour switch translate to a highpass, flat, and lowpass curve in the pre-tube EQ stage. Many guitarists find this especially helpful when switching between different styles of pickups. Contour is an excellent way for the SILT to adapt to your specific method of playing, whether you’re going for searing leads or wooley rhythm. What’s more, Walrus Audio designed the SILT for operation at nine volts to 12 volts, allowing you to supercharge the gain when engaged at 12 volts! Lastly, a true bypass circuit means you’ll emit a completely pure tone with the SILT disengaged while in your pedal chain.

Walrus Audio SILT Harmonic Tube Fuzz Pedal Features:

An analog fuzz pedal with unique harmonic qualities and a vacuum tube at its center
A collaboration between Walrus Audio and renowned pedal expert Jim Hagerman
12AU7 vacuum tube doles out amber warmth and bone-rattling fuzz
Engage the Harmonic Mode for frequency doubler-type action before the drive section
Refine your fuzz with the Contour Control that works like an EQ in the pre-tube stage
Can run from 9–12V operation; 12V gives a greater gain boost
True bypass circuit for pure tone when disengaged in the pedal chain

Specification	Detail
Pedal Type	Tube Fuzz
Analog/Digital	Analog
Controls	Harmonic Switch (high-pass, flat, low-pass)
EQ	Tone Control, 3-way contour switch
Inputs	1 x 1/4"
Outputs	1 x 1/4"
Bypass Switching	Relay-based True Bypass
Power Source	9V-12V DC 300mA power supply (sold separately)
Height	2.25"
Width	3.62"
Depth	4.79"

RETURN INFORMATION

We want you to be completely happy with your purchase from Sweetwater. If you are not satisfied with your product, you may return it for a refund of the purchase price within 30 days. If your purchase was eligible for Free Shipping, the shipping cost will be deducted from your credit or refund. Returns must be in the complete and original packaging with all accessories and complete documentation (Owner's Manual, warranty card, quick start guides, etc.), show no signs of wear or use, and include a Return Authorization number or be subject to a restocking fee.