Detail 01
12AU7 tube drive
The pedal’s fuzz drive is generated by an internal 12AU7 tube section.
Product detailSKU #1500000418771
Walrus AudioSilt Harmonic Tube Fuzz Effects Pedal Black
aggressivehigh outputrockpsychedelicstoner rock
1/5
Independent shopping perspective
The Korena take
Walrus Audio’s black Silt is a tube-driven fuzz pedal centered on a 12AU7 tube section. It can move from lighter distortion-like crunch into heavier saturation, then take a different direction with Harmonic mode, which introduces octave-like overtones before the tube drive. The pre-tube Contour control offers high-pass, flat, and low-pass curves for adjusting the fuzz texture around different pickups. Run it at 9V, or use 12V when you want the additional gain described for that operating voltage. True bypass leaves the unaffected guitar signal uncolored when the pedal is disengaged.
Strong match
Who this is for
- Building lead sounds with octave-like overtones placed before the tube-driven fuzz stage.
- Adjusting pre-tube high-pass, flat, or low-pass contour curves around different pickups.
- Exploring the additional gain available when the pedal is run at 12V.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Harmonic switch
It adds octave-like overtones before the tube drive.
Detail 03
True bypass
When disengaged, the pedal leaves the core guitar tone uncolored.
Detail 04
2.6 x 1.38 x 4.76 inches
These are the pedal’s listed width, height, and depth.
Final check
Know before you order
- 01The pedal can run at 9V or 12V; 12V is described as providing extra gain.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What does Harmonic mode do?
It adds octave-like overtones to the signal before it reaches the tube drive section.
02What contour settings are available?
The pre-tube Contour control offers high-pass, flat, and low-pass curves.
03Is the Silt true bypass?
Yes. Its true-bypass circuit keeps the core guitar tone uncolored when the pedal is disengaged.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Black
1 detailsSize & weight
- Dimensions Wxhxd
- 2.6 inch x 1.38 inch x 4.76 inch
